21319740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3037}}^1$

素因数の和:3068

約数の個数: 96

約数和(自身を含む): 71453760

約数和(自身を除く): 50134020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3037, 3510, 6074, 7020, 9111, 12148, 15185, 18222, 27333, 30370, 36444, 39481, 45555, 54666, 60740, 78962, 81999, 91110, 109332, 118443, 136665, 157924, 163998, 182220, 197405, 236886, 273330, 327996, 355329, 394810, 409995, 473772, 546660, 592215, 710658, 789620, 819990, 1065987, 1184430, 1421316, 1639980, 1776645, 2131974, 2368860, 3553290, 4263948, 5329935, 7106580, 10659870, 21319740]

約数ペア:

[(1, 21319740), (2, 10659870), (3, 7106580), (4, 5329935), (5, 4263948), (6, 3553290), (9, 2368860), (10, 2131974), (12, 1776645), (13, 1639980), (15, 1421316), (18, 1184430), (20, 1065987), (26, 819990), (27, 789620), (30, 710658), (36, 592215), (39, 546660), (45, 473772), (52, 409995), (54, 394810), (60, 355329), (65, 327996), (78, 273330), (90, 236886), (108, 197405), (117, 182220), (130, 163998), (135, 157924), (156, 136665), (180, 118443), (195, 109332), (234, 91110), (260, 81999), (270, 78962), (351, 60740), (390, 54666), (468, 45555), (540, 39481), (585, 36444), (702, 30370), (780, 27333), (1170, 18222), (1404, 15185), (1755, 12148), (2340, 9111), (3037, 7020), (3510, 6074)]