21309210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{467}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 61663680

約数和(自身を除く): 40354470

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 169, 195, 234, 270, 338, 351, 390, 467, 507, 585, 702, 845, 934, 1014, 1170, 1401, 1521, 1690, 1755, 2335, 2535, 2802, 3042, 3510, 4203, 4563, 4670, 5070, 6071, 7005, 7605, 8406, 9126, 12142, 12609, 14010, 15210, 18213, 21015, 22815, 25218, 30355, 36426, 42030, 45630, 54639, 60710, 63045, 78923, 91065, 109278, 126090, 157846, 163917, 182130, 236769, 273195, 327834, 394615, 473538, 546390, 710307, 789230, 819585, 1183845, 1420614, 1639170, 2130921, 2367690, 3551535, 4261842, 7103070, 10654605, 21309210]

約数ペア:

[(1, 21309210), (2, 10654605), (3, 7103070), (5, 4261842), (6, 3551535), (9, 2367690), (10, 2130921), (13, 1639170), (15, 1420614), (18, 1183845), (26, 819585), (27, 789230), (30, 710307), (39, 546390), (45, 473538), (54, 394615), (65, 327834), (78, 273195), (90, 236769), (117, 182130), (130, 163917), (135, 157846), (169, 126090), (195, 109278), (234, 91065), (270, 78923), (338, 63045), (351, 60710), (390, 54639), (467, 45630), (507, 42030), (585, 36426), (702, 30355), (845, 25218), (934, 22815), (1014, 21015), (1170, 18213), (1401, 15210), (1521, 14010), (1690, 12609), (1755, 12142), (2335, 9126), (2535, 8406), (2802, 7605), (3042, 7005), (3510, 6071), (4203, 5070), (4563, 4670)]