21271140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3581}}^1$

素因数の和:3610

約数の個数: 96

約数和(自身を含む): 72213120

約数和(自身を除く): 50941980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3581, 5940, 7162, 10743, 14324, 17905, 21486, 32229, 35810, 39391, 42972, 53715, 64458, 71620, 78782, 96687, 107430, 118173, 128916, 157564, 161145, 193374, 196955, 214860, 236346, 322290, 354519, 386748, 393910, 472692, 483435, 590865, 644580, 709038, 787820, 966870, 1063557, 1181730, 1418076, 1772595, 1933740, 2127114, 2363460, 3545190, 4254228, 5317785, 7090380, 10635570, 21271140]

約数ペア:

[(1, 21271140), (2, 10635570), (3, 7090380), (4, 5317785), (5, 4254228), (6, 3545190), (9, 2363460), (10, 2127114), (11, 1933740), (12, 1772595), (15, 1418076), (18, 1181730), (20, 1063557), (22, 966870), (27, 787820), (30, 709038), (33, 644580), (36, 590865), (44, 483435), (45, 472692), (54, 393910), (55, 386748), (60, 354519), (66, 322290), (90, 236346), (99, 214860), (108, 196955), (110, 193374), (132, 161145), (135, 157564), (165, 128916), (180, 118173), (198, 107430), (220, 96687), (270, 78782), (297, 71620), (330, 64458), (396, 53715), (495, 42972), (540, 39391), (594, 35810), (660, 32229), (990, 21486), (1188, 17905), (1485, 14324), (1980, 10743), (2970, 7162), (3581, 5940)]