21046956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3529}}^1$

素因数の和:3614

約数の個数: 48

約数和(自身を含む): 56931840

約数和(自身を除く): 35884884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3529, 5964, 7058, 10587, 14116, 21174, 24703, 42348, 49406, 74109, 98812, 148218, 250559, 296436, 501118, 751677, 1002236, 1503354, 1753913, 3006708, 3507826, 5261739, 7015652, 10523478, 21046956]

約数ペア:

[(1, 21046956), (2, 10523478), (3, 7015652), (4, 5261739), (6, 3507826), (7, 3006708), (12, 1753913), (14, 1503354), (21, 1002236), (28, 751677), (42, 501118), (71, 296436), (84, 250559), (142, 148218), (213, 98812), (284, 74109), (426, 49406), (497, 42348), (852, 24703), (994, 21174), (1491, 14116), (1988, 10587), (2982, 7058), (3529, 5964)]