21696486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3467}}^1$

素因数の和:3628

約数の個数: 32

約数和(自身を含む): 49939200

約数和(自身を除く): 28242714

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 3467, 6258, 6934, 10401, 20802, 24269, 48538, 72807, 145614, 516583, 1033166, 1549749, 3099498, 3616081, 7232162, 10848243, 21696486]

約数ペア:

[(1, 21696486), (2, 10848243), (3, 7232162), (6, 3616081), (7, 3099498), (14, 1549749), (21, 1033166), (42, 516583), (149, 145614), (298, 72807), (447, 48538), (894, 24269), (1043, 20802), (2086, 10401), (3129, 6934), (3467, 6258)]