21677370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 63479808

約数和(自身を除く): 41802438

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 31, 33, 39, 55, 62, 65, 66, 78, 93, 110, 130, 143, 155, 163, 165, 186, 195, 286, 310, 326, 330, 341, 390, 403, 429, 465, 489, 682, 715, 806, 815, 858, 930, 978, 1023, 1209, 1430, 1630, 1705, 1793, 2015, 2046, 2119, 2145, 2418, 2445, 3410, 3586, 4030, 4238, 4290, 4433, 4890, 5053, 5115, 5379, 6045, 6357, 8866, 8965, 10106, 10230, 10595, 10758, 12090, 12714, 13299, 15159, 17930, 21190, 22165, 23309, 25265, 26598, 26895, 30318, 31785, 44330, 46618, 50530, 53790, 55583, 63570, 65689, 66495, 69927, 75795, 111166, 116545, 131378, 132990, 139854, 151590, 166749, 197067, 233090, 277915, 328445, 333498, 349635, 394134, 555830, 656890, 699270, 722579, 833745, 985335, 1445158, 1667490, 1970670, 2167737, 3612895, 4335474, 7225790, 10838685, 21677370]

約数ペア:

[(1, 21677370), (2, 10838685), (3, 7225790), (5, 4335474), (6, 3612895), (10, 2167737), (11, 1970670), (13, 1667490), (15, 1445158), (22, 985335), (26, 833745), (30, 722579), (31, 699270), (33, 656890), (39, 555830), (55, 394134), (62, 349635), (65, 333498), (66, 328445), (78, 277915), (93, 233090), (110, 197067), (130, 166749), (143, 151590), (155, 139854), (163, 132990), (165, 131378), (186, 116545), (195, 111166), (286, 75795), (310, 69927), (326, 66495), (330, 65689), (341, 63570), (390, 55583), (403, 53790), (429, 50530), (465, 46618), (489, 44330), (682, 31785), (715, 30318), (806, 26895), (815, 26598), (858, 25265), (930, 23309), (978, 22165), (1023, 21190), (1209, 17930), (1430, 15159), (1630, 13299), (1705, 12714), (1793, 12090), (2015, 10758), (2046, 10595), (2119, 10230), (2145, 10106), (2418, 8965), (2445, 8866), (3410, 6357), (3586, 6045), (4030, 5379), (4238, 5115), (4290, 5053), (4433, 4890)]