21356448

素因数分解:

$2^5\times 3^1\times {\mathrm{269}}^1\times {\mathrm{827}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 56337120

約数和(自身を除く): 34980672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 269, 538, 807, 827, 1076, 1614, 1654, 2152, 2481, 3228, 3308, 4304, 4962, 6456, 6616, 8608, 9924, 12912, 13232, 19848, 25824, 26464, 39696, 79392, 222463, 444926, 667389, 889852, 1334778, 1779704, 2669556, 3559408, 5339112, 7118816, 10678224, 21356448]

約数ペア:

[(1, 21356448), (2, 10678224), (3, 7118816), (4, 5339112), (6, 3559408), (8, 2669556), (12, 1779704), (16, 1334778), (24, 889852), (32, 667389), (48, 444926), (96, 222463), (269, 79392), (538, 39696), (807, 26464), (827, 25824), (1076, 19848), (1614, 13232), (1654, 12912), (2152, 9924), (2481, 8608), (3228, 6616), (3308, 6456), (4304, 4962)]