21210774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9377}}^1$

素因数の和:9424

約数の個数: 32

約数和(自身を含む): 47265120

約数和(自身を除く): 26054346

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9377, 18754, 28131, 56262, 121901, 243802, 271933, 365703, 543866, 731406, 815799, 1631598, 3535129, 7070258, 10605387, 21210774]

約数ペア:

[(1, 21210774), (2, 10605387), (3, 7070258), (6, 3535129), (13, 1631598), (26, 815799), (29, 731406), (39, 543866), (58, 365703), (78, 271933), (87, 243802), (174, 121901), (377, 56262), (754, 28131), (1131, 18754), (2262, 9377)]