21405876

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{29243}}^1$

素因数の和:29311

約数の個数: 24

約数和(自身を含む): 50767584

約数和(自身を除く): 29361708

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 29243, 58486, 87729, 116972, 175458, 350916, 1783823, 3567646, 5351469, 7135292, 10702938, 21405876]

約数ペア:

[(1, 21405876), (2, 10702938), (3, 7135292), (4, 5351469), (6, 3567646), (12, 1783823), (61, 350916), (122, 175458), (183, 116972), (244, 87729), (366, 58486), (732, 29243)]