21317408

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1613}}^1$

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 48807360

約数和(自身を除く): 27489952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1613, 1652, 1888, 3226, 3304, 6452, 6608, 11291, 12904, 13216, 22582, 25808, 45164, 51616, 90328, 95167, 180656, 190334, 361312, 380668, 666169, 761336, 1332338, 1522672, 2664676, 3045344, 5329352, 10658704, 21317408]

約数ペア:

[(1, 21317408), (2, 10658704), (4, 5329352), (7, 3045344), (8, 2664676), (14, 1522672), (16, 1332338), (28, 761336), (32, 666169), (56, 380668), (59, 361312), (112, 190334), (118, 180656), (224, 95167), (236, 90328), (413, 51616), (472, 45164), (826, 25808), (944, 22582), (1613, 13216), (1652, 12904), (1888, 11291), (3226, 6608), (3304, 6452)]