21835450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4799}}^1$

素因数の和:4831

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 28161350

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4799, 9598, 23995, 33593, 47990, 62387, 67186, 119975, 124774, 167965, 239950, 311935, 335930, 436709, 623870, 839825, 873418, 1559675, 1679650, 2183545, 3119350, 4367090, 10917725, 21835450]

約数ペア:

[(1, 21835450), (2, 10917725), (5, 4367090), (7, 3119350), (10, 2183545), (13, 1679650), (14, 1559675), (25, 873418), (26, 839825), (35, 623870), (50, 436709), (65, 335930), (70, 311935), (91, 239950), (130, 167965), (175, 124774), (182, 119975), (325, 67186), (350, 62387), (455, 47990), (650, 33593), (910, 23995), (2275, 9598), (4550, 4799)]