21701355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 37773120

約数和(自身を除く): 16071765

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1021, 1417, 1635, 3063, 4251, 5105, 7085, 13273, 15315, 21255, 39819, 66365, 111289, 199095, 333867, 556445, 1446757, 1669335, 4340271, 7233785, 21701355]

約数ペア:

[(1, 21701355), (3, 7233785), (5, 4340271), (13, 1669335), (15, 1446757), (39, 556445), (65, 333867), (109, 199095), (195, 111289), (327, 66365), (545, 39819), (1021, 21255), (1417, 15315), (1635, 13273), (3063, 7085), (4251, 5105)]