21830757

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4273}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 31593408

約数和(自身を除く): 9762651

約数列:

[1, 3, 13, 39, 131, 393, 1703, 4273, 5109, 12819, 55549, 166647, 559763, 1679289, 7276919, 21830757]

約数ペア:

[(1, 21830757), (3, 7276919), (13, 1679289), (39, 559763), (131, 166647), (393, 55549), (1703, 12819), (4273, 5109)]