21622580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3767}}^1$

素因数の和:3824

約数の個数: 48

約数和(自身を含む): 53174016

約数和(自身を除く): 31551436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3767, 5740, 7534, 15068, 18835, 26369, 37670, 52738, 75340, 105476, 131845, 154447, 263690, 308894, 527380, 617788, 772235, 1081129, 1544470, 2162258, 3088940, 4324516, 5405645, 10811290, 21622580]

約数ペア:

[(1, 21622580), (2, 10811290), (4, 5405645), (5, 4324516), (7, 3088940), (10, 2162258), (14, 1544470), (20, 1081129), (28, 772235), (35, 617788), (41, 527380), (70, 308894), (82, 263690), (140, 154447), (164, 131845), (205, 105476), (287, 75340), (410, 52738), (574, 37670), (820, 26369), (1148, 18835), (1435, 15068), (2870, 7534), (3767, 5740)]