21930388

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 39497472

約数和(自身を除く): 17567084

約数列:

[1, 2, 4, 47, 94, 157, 188, 314, 628, 743, 1486, 2972, 7379, 14758, 29516, 34921, 69842, 116651, 139684, 233302, 466604, 5482597, 10965194, 21930388]

約数ペア:

[(1, 21930388), (2, 10965194), (4, 5482597), (47, 466604), (94, 233302), (157, 139684), (188, 116651), (314, 69842), (628, 34921), (743, 29516), (1486, 14758), (2972, 7379)]