21232672

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 22433888

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 79, 148, 158, 227, 296, 316, 454, 592, 632, 908, 1184, 1264, 1816, 2528, 2923, 3632, 5846, 7264, 8399, 11692, 16798, 17933, 23384, 33596, 35866, 46768, 67192, 71732, 93536, 134384, 143464, 268768, 286928, 573856, 663521, 1327042, 2654084, 5308168, 10616336, 21232672]

約数ペア:

[(1, 21232672), (2, 10616336), (4, 5308168), (8, 2654084), (16, 1327042), (32, 663521), (37, 573856), (74, 286928), (79, 268768), (148, 143464), (158, 134384), (227, 93536), (296, 71732), (316, 67192), (454, 46768), (592, 35866), (632, 33596), (908, 23384), (1184, 17933), (1264, 16798), (1816, 11692), (2528, 8399), (2923, 7264), (3632, 5846)]