21987714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3467}}^1$

素因数の和:3630

約数の個数: 32

約数和(自身を含む): 50605056

約数和(自身を除く): 28617342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 151, 302, 453, 906, 1057, 2114, 3171, 3467, 6342, 6934, 10401, 20802, 24269, 48538, 72807, 145614, 523517, 1047034, 1570551, 3141102, 3664619, 7329238, 10993857, 21987714]

約数ペア:

[(1, 21987714), (2, 10993857), (3, 7329238), (6, 3664619), (7, 3141102), (14, 1570551), (21, 1047034), (42, 523517), (151, 145614), (302, 72807), (453, 48538), (906, 24269), (1057, 20802), (2114, 10401), (3171, 6934), (3467, 6342)]