21000687180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{50587}}^1$

素因数の和:50664

約数の個数: 192

約数和(自身を含む): 69758019072

約数和(自身を除く): 48757331892

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 37, 44, 51, 55, 60, 66, 68, 74, 85, 102, 110, 111, 132, 148, 165, 170, 185, 187, 204, 220, 222, 255, 330, 340, 370, 374, 407, 444, 510, 555, 561, 629, 660, 740, 748, 814, 935, 1020, 1110, 1122, 1221, 1258, 1628, 1870, 1887, 2035, 2220, 2244, 2442, 2516, 2805, 3145, 3740, 3774, 4070, 4884, 5610, 6105, 6290, 6919, 7548, 8140, 9435, 11220, 12210, 12580, 13838, 18870, 20757, 24420, 27676, 34595, 37740, 41514, 50587, 69190, 83028, 101174, 103785, 138380, 151761, 202348, 207570, 252935, 303522, 415140, 505870, 556457, 607044, 758805, 859979, 1011740, 1112914, 1517610, 1669371, 1719958, 1871719, 2225828, 2579937, 2782285, 3035220, 3338742, 3439916, 3743438, 4299895, 5159874, 5564570, 5615157, 6677484, 7486876, 8346855, 8599790, 9358595, 9459769, 10319748, 11129140, 11230314, 12899685, 16693710, 17199580, 18717190, 18919538, 20588909, 22460628, 25799370, 28075785, 28379307, 31819223, 33387420, 37434380, 37839076, 41177818, 47298845, 51598740, 56151570, 56758614, 61766727, 63638446, 82355636, 94597690, 95457669, 102944545, 112303140, 113517228, 123533454, 127276892, 141896535, 159096115, 189195380, 190915338, 205889090, 247066908, 283793070, 308833635, 318192230, 350011453, 381830676, 411778180, 477288345, 567586140, 617667270, 636384460, 700022906, 954576690, 1050034359, 1235334540, 1400045812, 1750057265, 1909153380, 2100068718, 3500114530, 4200137436, 5250171795, 7000229060, 10500343590, 21000687180]

約数ペア:

[(1, 21000687180), (2, 10500343590), (3, 7000229060), (4, 5250171795), (5, 4200137436), (6, 3500114530), (10, 2100068718), (11, 1909153380), (12, 1750057265), (15, 1400045812), (17, 1235334540), (20, 1050034359), (22, 954576690), (30, 700022906), (33, 636384460), (34, 617667270), (37, 567586140), (44, 477288345), (51, 411778180), (55, 381830676), (60, 350011453), (66, 318192230), (68, 308833635), (74, 283793070), (85, 247066908), (102, 205889090), (110, 190915338), (111, 189195380), (132, 159096115), (148, 141896535), (165, 127276892), (170, 123533454), (185, 113517228), (187, 112303140), (204, 102944545), (220, 95457669), (222, 94597690), (255, 82355636), (330, 63638446), (340, 61766727), (370, 56758614), (374, 56151570), (407, 51598740), (444, 47298845), (510, 41177818), (555, 37839076), (561, 37434380), (629, 33387420), (660, 31819223), (740, 28379307), (748, 28075785), (814, 25799370), (935, 22460628), (1020, 20588909), (1110, 18919538), (1122, 18717190), (1221, 17199580), (1258, 16693710), (1628, 12899685), (1870, 11230314), (1887, 11129140), (2035, 10319748), (2220, 9459769), (2244, 9358595), (2442, 8599790), (2516, 8346855), (2805, 7486876), (3145, 6677484), (3740, 5615157), (3774, 5564570), (4070, 5159874), (4884, 4299895), (5610, 3743438), (6105, 3439916), (6290, 3338742), (6919, 3035220), (7548, 2782285), (8140, 2579937), (9435, 2225828), (11220, 1871719), (12210, 1719958), (12580, 1669371), (13838, 1517610), (18870, 1112914), (20757, 1011740), (24420, 859979), (27676, 758805), (34595, 607044), (37740, 556457), (41514, 505870), (50587, 415140), (69190, 303522), (83028, 252935), (101174, 207570), (103785, 202348), (138380, 151761)]