21566552

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3739}}^1$

素因数の和:3855

約数の個数: 32

約数和(自身を含む): 46675200

約数和(自身を除く): 25108648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3739, 5768, 7478, 14956, 26173, 29912, 52346, 104692, 209384, 385117, 770234, 1540468, 2695819, 3080936, 5391638, 10783276, 21566552]

約数ペア:

[(1, 21566552), (2, 10783276), (4, 5391638), (7, 3080936), (8, 2695819), (14, 1540468), (28, 770234), (56, 385117), (103, 209384), (206, 104692), (412, 52346), (721, 29912), (824, 26173), (1442, 14956), (2884, 7478), (3739, 5768)]