21972072

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^2\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 56089440

約数和(自身を除く): 34117368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 118, 177, 236, 263, 354, 472, 526, 708, 789, 1052, 1416, 1578, 2104, 3156, 3481, 6312, 6962, 10443, 13924, 15517, 20886, 27848, 31034, 41772, 46551, 62068, 83544, 93102, 124136, 186204, 372408, 915503, 1831006, 2746509, 3662012, 5493018, 7324024, 10986036, 21972072]

約数ペア:

[(1, 21972072), (2, 10986036), (3, 7324024), (4, 5493018), (6, 3662012), (8, 2746509), (12, 1831006), (24, 915503), (59, 372408), (118, 186204), (177, 124136), (236, 93102), (263, 83544), (354, 62068), (472, 46551), (526, 41772), (708, 31034), (789, 27848), (1052, 20886), (1416, 15517), (1578, 13924), (2104, 10443), (3156, 6962), (3481, 6312)]