21006816

素因数分解:

$2^5\times 3^1\times {\mathrm{127}}^1\times {\mathrm{1723}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 55609344

約数和(自身を除く): 34602528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 127, 254, 381, 508, 762, 1016, 1524, 1723, 2032, 3048, 3446, 4064, 5169, 6096, 6892, 10338, 12192, 13784, 20676, 27568, 41352, 55136, 82704, 165408, 218821, 437642, 656463, 875284, 1312926, 1750568, 2625852, 3501136, 5251704, 7002272, 10503408, 21006816]

約数ペア:

[(1, 21006816), (2, 10503408), (3, 7002272), (4, 5251704), (6, 3501136), (8, 2625852), (12, 1750568), (16, 1312926), (24, 875284), (32, 656463), (48, 437642), (96, 218821), (127, 165408), (254, 82704), (381, 55136), (508, 41352), (762, 27568), (1016, 20676), (1524, 13784), (1723, 12192), (2032, 10338), (3048, 6892), (3446, 6096), (4064, 5169)]