21796960

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2309}}^1$

素因数の和:2383

約数の個数: 48

約数和(自身を含む): 52390800

約数和(自身を除く): 30593840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2309, 2360, 4618, 4720, 9236, 9440, 11545, 18472, 23090, 36944, 46180, 73888, 92360, 136231, 184720, 272462, 369440, 544924, 681155, 1089848, 1362310, 2179696, 2724620, 4359392, 5449240, 10898480, 21796960]

約数ペア:

[(1, 21796960), (2, 10898480), (4, 5449240), (5, 4359392), (8, 2724620), (10, 2179696), (16, 1362310), (20, 1089848), (32, 681155), (40, 544924), (59, 369440), (80, 272462), (118, 184720), (160, 136231), (236, 92360), (295, 73888), (472, 46180), (590, 36944), (944, 23090), (1180, 18472), (1888, 11545), (2309, 9440), (2360, 9236), (4618, 4720)]