21315690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7177}}^1$

素因数の和:7204

約数の個数: 64

約数和(自身を含む): 62017920

約数和(自身を除く): 40702230

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7177, 14354, 21531, 35885, 43062, 64593, 71770, 78947, 107655, 129186, 157894, 193779, 215310, 236841, 322965, 387558, 394735, 473682, 645930, 710523, 789470, 968895, 1184205, 1421046, 1937790, 2131569, 2368410, 3552615, 4263138, 7105230, 10657845, 21315690]

約数ペア:

[(1, 21315690), (2, 10657845), (3, 7105230), (5, 4263138), (6, 3552615), (9, 2368410), (10, 2131569), (11, 1937790), (15, 1421046), (18, 1184205), (22, 968895), (27, 789470), (30, 710523), (33, 645930), (45, 473682), (54, 394735), (55, 387558), (66, 322965), (90, 236841), (99, 215310), (110, 193779), (135, 157894), (165, 129186), (198, 107655), (270, 78947), (297, 71770), (330, 64593), (495, 43062), (594, 35885), (990, 21531), (1485, 14354), (2970, 7177)]