21684264

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18439}}^1$

素因数の和:18462

約数の個数: 48

約数和(自身を含む): 63064800

約数和(自身を除く): 41380536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18439, 36878, 55317, 73756, 110634, 129073, 147512, 221268, 258146, 387219, 442536, 516292, 774438, 903511, 1032584, 1548876, 1807022, 2710533, 3097752, 3614044, 5421066, 7228088, 10842132, 21684264]

約数ペア:

[(1, 21684264), (2, 10842132), (3, 7228088), (4, 5421066), (6, 3614044), (7, 3097752), (8, 2710533), (12, 1807022), (14, 1548876), (21, 1032584), (24, 903511), (28, 774438), (42, 516292), (49, 442536), (56, 387219), (84, 258146), (98, 221268), (147, 147512), (168, 129073), (196, 110634), (294, 73756), (392, 55317), (588, 36878), (1176, 18439)]