21556430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3049}}^1$

素因数の和:3164

約数の個数: 32

約数和(自身を含む): 44798400

約数和(自身を除く): 23241970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3049, 3535, 6098, 7070, 15245, 21343, 30490, 42686, 106715, 213430, 307949, 615898, 1539745, 2155643, 3079490, 4311286, 10778215, 21556430]

約数ペア:

[(1, 21556430), (2, 10778215), (5, 4311286), (7, 3079490), (10, 2155643), (14, 1539745), (35, 615898), (70, 307949), (101, 213430), (202, 106715), (505, 42686), (707, 30490), (1010, 21343), (1414, 15245), (3049, 7070), (3535, 6098)]