21146774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 15044458

約数列:

[1, 2, 11, 22, 31, 62, 101, 202, 307, 341, 614, 682, 1111, 2222, 3131, 3377, 6262, 6754, 9517, 19034, 31007, 34441, 62014, 68882, 104687, 209374, 341077, 682154, 961217, 1922434, 10573387, 21146774]

約数ペア:

[(1, 21146774), (2, 10573387), (11, 1922434), (22, 961217), (31, 682154), (62, 341077), (101, 209374), (202, 104687), (307, 68882), (341, 62014), (614, 34441), (682, 31007), (1111, 19034), (2222, 9517), (3131, 6754), (3377, 6262)]