21670224

素因数分解:

$2^4\times 3^1\times {\mathrm{661}}^1\times {\mathrm{683}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 56148192

約数和(自身を除く): 34477968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 661, 683, 1322, 1366, 1983, 2049, 2644, 2732, 3966, 4098, 5288, 5464, 7932, 8196, 10576, 10928, 15864, 16392, 31728, 32784, 451463, 902926, 1354389, 1805852, 2708778, 3611704, 5417556, 7223408, 10835112, 21670224]

約数ペア:

[(1, 21670224), (2, 10835112), (3, 7223408), (4, 5417556), (6, 3611704), (8, 2708778), (12, 1805852), (16, 1354389), (24, 902926), (48, 451463), (661, 32784), (683, 31728), (1322, 16392), (1366, 15864), (1983, 10928), (2049, 10576), (2644, 8196), (2732, 7932), (3966, 5464), (4098, 5288)]