20211312

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 57674880

約数和(自身を除く): 37463568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 101, 132, 176, 202, 264, 303, 379, 404, 528, 606, 758, 808, 1111, 1137, 1212, 1516, 1616, 2222, 2274, 2424, 3032, 3333, 4169, 4444, 4548, 4848, 6064, 6666, 8338, 8888, 9096, 12507, 13332, 16676, 17776, 18192, 25014, 26664, 33352, 38279, 50028, 53328, 66704, 76558, 100056, 114837, 153116, 200112, 229674, 306232, 421069, 459348, 612464, 842138, 918696, 1263207, 1684276, 1837392, 2526414, 3368552, 5052828, 6737104, 10105656, 20211312]

約数ペア:

[(1, 20211312), (2, 10105656), (3, 6737104), (4, 5052828), (6, 3368552), (8, 2526414), (11, 1837392), (12, 1684276), (16, 1263207), (22, 918696), (24, 842138), (33, 612464), (44, 459348), (48, 421069), (66, 306232), (88, 229674), (101, 200112), (132, 153116), (176, 114837), (202, 100056), (264, 76558), (303, 66704), (379, 53328), (404, 50028), (528, 38279), (606, 33352), (758, 26664), (808, 25014), (1111, 18192), (1137, 17776), (1212, 16676), (1516, 13332), (1616, 12507), (2222, 9096), (2274, 8888), (2424, 8338), (3032, 6666), (3333, 6064), (4169, 4848), (4444, 4548)]