21298956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1117}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 57098496

約数和(自身を除く): 35799540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 1117, 1362, 1589, 2234, 2724, 3178, 3351, 4468, 4767, 6356, 6702, 7819, 9534, 13404, 15638, 19068, 23457, 31276, 46914, 93828, 253559, 507118, 760677, 1014236, 1521354, 1774913, 3042708, 3549826, 5324739, 7099652, 10649478, 21298956]

約数ペア:

[(1, 21298956), (2, 10649478), (3, 7099652), (4, 5324739), (6, 3549826), (7, 3042708), (12, 1774913), (14, 1521354), (21, 1014236), (28, 760677), (42, 507118), (84, 253559), (227, 93828), (454, 46914), (681, 31276), (908, 23457), (1117, 19068), (1362, 15638), (1589, 13404), (2234, 9534), (2724, 7819), (3178, 6702), (3351, 6356), (4468, 4767)]