21015408

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11833}}^1$

素因数の和:11881

約数の個数: 40

約数和(自身を含む): 55761808

約数和(自身を除く): 34746400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11833, 23666, 35499, 47332, 70998, 94664, 141996, 189328, 283992, 437821, 567984, 875642, 1313463, 1751284, 2626926, 3502568, 5253852, 7005136, 10507704, 21015408]

約数ペア:

[(1, 21015408), (2, 10507704), (3, 7005136), (4, 5253852), (6, 3502568), (8, 2626926), (12, 1751284), (16, 1313463), (24, 875642), (37, 567984), (48, 437821), (74, 283992), (111, 189328), (148, 141996), (222, 94664), (296, 70998), (444, 47332), (592, 35499), (888, 23666), (1776, 11833)]