21497788810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11821}}^1\times {\mathrm{7907}}^1$

素因数の和:19758

約数の個数: 32

約数和(自身を含む): 40386978432

約数和(自身を除く): 18889189622

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 7907, 11821, 15814, 23642, 39535, 59105, 79070, 118210, 181861, 271883, 363722, 543766, 909305, 1359415, 1818610, 2718830, 93468647, 186937294, 467343235, 934686470, 2149778881, 4299557762, 10748894405, 21497788810]

約数ペア:

[(1, 21497788810), (2, 10748894405), (5, 4299557762), (10, 2149778881), (23, 934686470), (46, 467343235), (115, 186937294), (230, 93468647), (7907, 2718830), (11821, 1818610), (15814, 1359415), (23642, 909305), (39535, 543766), (59105, 363722), (79070, 271883), (118210, 181861)]