21727095

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 38019072

約数和(自身を除く): 16291977

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 1663, 2613, 4355, 4989, 8315, 13065, 21619, 24945, 64857, 108095, 111421, 324285, 334263, 557105, 1448473, 1671315, 4345419, 7242365, 21727095]

約数ペア:

[(1, 21727095), (3, 7242365), (5, 4345419), (13, 1671315), (15, 1448473), (39, 557105), (65, 334263), (67, 324285), (195, 111421), (201, 108095), (335, 64857), (871, 24945), (1005, 21619), (1663, 13065), (2613, 8315), (4355, 4989)]