21776012

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1163}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 39631872

約数和(自身を除く): 17855860

約数列:

[1, 2, 4, 31, 62, 124, 151, 302, 604, 1163, 2326, 4652, 4681, 9362, 18724, 36053, 72106, 144212, 175613, 351226, 702452, 5444003, 10888006, 21776012]

約数ペア:

[(1, 21776012), (2, 10888006), (4, 5444003), (31, 702452), (62, 351226), (124, 175613), (151, 144212), (302, 72106), (604, 36053), (1163, 18724), (2326, 9362), (4652, 4681)]