21173176

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 19907864

約数列:

[1, 2, 4, 8, 37, 74, 148, 233, 296, 307, 466, 614, 932, 1228, 1864, 2456, 8621, 11359, 17242, 22718, 34484, 45436, 68968, 71531, 90872, 143062, 286124, 572248, 2646647, 5293294, 10586588, 21173176]

約数ペア:

[(1, 21173176), (2, 10586588), (4, 5293294), (8, 2646647), (37, 572248), (74, 286124), (148, 143062), (233, 90872), (296, 71531), (307, 68968), (466, 45436), (614, 34484), (932, 22718), (1228, 17242), (1864, 11359), (2456, 8621)]