21162672

素因数分解:

$2^4\times 3^2\times {\mathrm{281}}^1\times {\mathrm{523}}^1$

素因数の和:818

約数の個数: 60

約数和(自身を含む): 59550504

約数和(自身を除く): 38387832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 281, 523, 562, 843, 1046, 1124, 1569, 1686, 2092, 2248, 2529, 3138, 3372, 4184, 4496, 4707, 5058, 6276, 6744, 8368, 9414, 10116, 12552, 13488, 18828, 20232, 25104, 37656, 40464, 75312, 146963, 293926, 440889, 587852, 881778, 1175704, 1322667, 1763556, 2351408, 2645334, 3527112, 5290668, 7054224, 10581336, 21162672]

約数ペア:

[(1, 21162672), (2, 10581336), (3, 7054224), (4, 5290668), (6, 3527112), (8, 2645334), (9, 2351408), (12, 1763556), (16, 1322667), (18, 1175704), (24, 881778), (36, 587852), (48, 440889), (72, 293926), (144, 146963), (281, 75312), (523, 40464), (562, 37656), (843, 25104), (1046, 20232), (1124, 18828), (1569, 13488), (1686, 12552), (2092, 10116), (2248, 9414), (2529, 8368), (3138, 6744), (3372, 6276), (4184, 5058), (4496, 4707)]