21997662

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 45702144

約数和(自身を除く): 23704482

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 227, 454, 521, 681, 1042, 1362, 1563, 3126, 7037, 14074, 16151, 21111, 32302, 42222, 48453, 96906, 118267, 236534, 354801, 709602, 3666277, 7332554, 10998831, 21997662]

約数ペア:

[(1, 21997662), (2, 10998831), (3, 7332554), (6, 3666277), (31, 709602), (62, 354801), (93, 236534), (186, 118267), (227, 96906), (454, 48453), (521, 42222), (681, 32302), (1042, 21111), (1362, 16151), (1563, 14074), (3126, 7037)]