21067424

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 47775168

約数和(自身を除く): 26707744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 577, 652, 1141, 1154, 1304, 2282, 2308, 2608, 4039, 4564, 4616, 5216, 8078, 9128, 9232, 16156, 18256, 18464, 32312, 36512, 64624, 94051, 129248, 188102, 376204, 658357, 752408, 1316714, 1504816, 2633428, 3009632, 5266856, 10533712, 21067424]

約数ペア:

[(1, 21067424), (2, 10533712), (4, 5266856), (7, 3009632), (8, 2633428), (14, 1504816), (16, 1316714), (28, 752408), (32, 658357), (56, 376204), (112, 188102), (163, 129248), (224, 94051), (326, 64624), (577, 36512), (652, 32312), (1141, 18464), (1154, 18256), (1304, 16156), (2282, 9232), (2308, 9128), (2608, 8078), (4039, 5216), (4564, 4616)]