21965792

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8689}}^1$

素因数の和:8778

約数の個数: 24

約数和(自身を含む): 43797600

約数和(自身を除く): 21831808

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8689, 17378, 34756, 69512, 139024, 278048, 686431, 1372862, 2745724, 5491448, 10982896, 21965792]

約数ペア:

[(1, 21965792), (2, 10982896), (4, 5491448), (8, 2745724), (16, 1372862), (32, 686431), (79, 278048), (158, 139024), (316, 69512), (632, 34756), (1264, 17378), (2528, 8689)]