21990624

素因数分解:

$2^5\times 3^1\times {\mathrm{397}}^1\times {\mathrm{577}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 57971088

約数和(自身を除く): 35980464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 397, 577, 794, 1154, 1191, 1588, 1731, 2308, 2382, 3176, 3462, 4616, 4764, 6352, 6924, 9232, 9528, 12704, 13848, 18464, 19056, 27696, 38112, 55392, 229069, 458138, 687207, 916276, 1374414, 1832552, 2748828, 3665104, 5497656, 7330208, 10995312, 21990624]

約数ペア:

[(1, 21990624), (2, 10995312), (3, 7330208), (4, 5497656), (6, 3665104), (8, 2748828), (12, 1832552), (16, 1374414), (24, 916276), (32, 687207), (48, 458138), (96, 229069), (397, 55392), (577, 38112), (794, 27696), (1154, 19056), (1191, 18464), (1588, 13848), (1731, 12704), (2308, 9528), (2382, 9232), (3176, 6924), (3462, 6352), (4616, 4764)]