21330468

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4523}}^1$

素因数の和:4664

約数の個数: 36

約数和(自身を含む): 54342288

約数和(自身を除く): 33011820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4523, 4716, 9046, 13569, 18092, 27138, 40707, 54276, 81414, 162828, 592513, 1185026, 1777539, 2370052, 3555078, 5332617, 7110156, 10665234, 21330468]

約数ペア:

[(1, 21330468), (2, 10665234), (3, 7110156), (4, 5332617), (6, 3555078), (9, 2370052), (12, 1777539), (18, 1185026), (36, 592513), (131, 162828), (262, 81414), (393, 54276), (524, 40707), (786, 27138), (1179, 18092), (1572, 13569), (2358, 9046), (4523, 4716)]