21700924

素因数分解:

$2^2\times 7^3\times {\mathrm{15817}}^1$

素因数の和:15842

約数の個数: 24

約数和(自身を含む): 44290400

約数和(自身を除く): 22589476

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15817, 31634, 63268, 110719, 221438, 442876, 775033, 1550066, 3100132, 5425231, 10850462, 21700924]

約数ペア:

[(1, 21700924), (2, 10850462), (4, 5425231), (7, 3100132), (14, 1550066), (28, 775033), (49, 442876), (98, 221438), (196, 110719), (343, 63268), (686, 31634), (1372, 15817)]