21140016

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{14207}}^1$

素因数の和:14249

約数の個数: 40

約数和(自身を含む): 56377344

約数和(自身を除く): 35237328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 14207, 28414, 42621, 56828, 85242, 113656, 170484, 227312, 340968, 440417, 681936, 880834, 1321251, 1761668, 2642502, 3523336, 5285004, 7046672, 10570008, 21140016]

約数ペア:

[(1, 21140016), (2, 10570008), (3, 7046672), (4, 5285004), (6, 3523336), (8, 2642502), (12, 1761668), (16, 1321251), (24, 880834), (31, 681936), (48, 440417), (62, 340968), (93, 227312), (124, 170484), (186, 113656), (248, 85242), (372, 56828), (496, 42621), (744, 28414), (1488, 14207)]