21207876

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 52469760

約数和(自身を除く): 31261884

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 191, 228, 382, 487, 573, 764, 974, 1146, 1461, 1948, 2292, 2922, 3629, 5844, 7258, 9253, 10887, 14516, 18506, 21774, 27759, 37012, 43548, 55518, 93017, 111036, 186034, 279051, 372068, 558102, 1116204, 1767323, 3534646, 5301969, 7069292, 10603938, 21207876]

約数ペア:

[(1, 21207876), (2, 10603938), (3, 7069292), (4, 5301969), (6, 3534646), (12, 1767323), (19, 1116204), (38, 558102), (57, 372068), (76, 279051), (114, 186034), (191, 111036), (228, 93017), (382, 55518), (487, 43548), (573, 37012), (764, 27759), (974, 21774), (1146, 18506), (1461, 14516), (1948, 10887), (2292, 9253), (2922, 7258), (3629, 5844)]