21110040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8377}}^1$

素因数の和:8401

約数の個数: 96

約数和(自身を含む): 78418080

約数和(自身を除く): 57308040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8377, 16754, 25131, 33508, 41885, 50262, 58639, 67016, 75393, 83770, 100524, 117278, 125655, 150786, 167540, 175917, 201048, 234556, 251310, 293195, 301572, 335080, 351834, 376965, 469112, 502620, 527751, 586390, 603144, 703668, 753930, 879585, 1005240, 1055502, 1172780, 1407336, 1507860, 1759170, 2111004, 2345560, 2638755, 3015720, 3518340, 4222008, 5277510, 7036680, 10555020, 21110040]

約数ペア:

[(1, 21110040), (2, 10555020), (3, 7036680), (4, 5277510), (5, 4222008), (6, 3518340), (7, 3015720), (8, 2638755), (9, 2345560), (10, 2111004), (12, 1759170), (14, 1507860), (15, 1407336), (18, 1172780), (20, 1055502), (21, 1005240), (24, 879585), (28, 753930), (30, 703668), (35, 603144), (36, 586390), (40, 527751), (42, 502620), (45, 469112), (56, 376965), (60, 351834), (63, 335080), (70, 301572), (72, 293195), (84, 251310), (90, 234556), (105, 201048), (120, 175917), (126, 167540), (140, 150786), (168, 125655), (180, 117278), (210, 100524), (252, 83770), (280, 75393), (315, 67016), (360, 58639), (420, 50262), (504, 41885), (630, 33508), (840, 25131), (1260, 16754), (2520, 8377)]