21570848

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51853}}^1$

素因数の和:51876

約数の個数: 24

約数和(自身を含む): 45735228

約数和(自身を除く): 24164380

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51853, 103706, 207412, 414824, 674089, 829648, 1348178, 1659296, 2696356, 5392712, 10785424, 21570848]

約数ペア:

[(1, 21570848), (2, 10785424), (4, 5392712), (8, 2696356), (13, 1659296), (16, 1348178), (26, 829648), (32, 674089), (52, 414824), (104, 207412), (208, 103706), (416, 51853)]