21793888

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 23021792

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 79, 148, 158, 233, 296, 316, 466, 592, 632, 932, 1184, 1264, 1864, 2528, 2923, 3728, 5846, 7456, 8621, 11692, 17242, 18407, 23384, 34484, 36814, 46768, 68968, 73628, 93536, 137936, 147256, 275872, 294512, 589024, 681059, 1362118, 2724236, 5448472, 10896944, 21793888]

約数ペア:

[(1, 21793888), (2, 10896944), (4, 5448472), (8, 2724236), (16, 1362118), (32, 681059), (37, 589024), (74, 294512), (79, 275872), (148, 147256), (158, 137936), (233, 93536), (296, 73628), (316, 68968), (466, 46768), (592, 36814), (632, 34484), (932, 23384), (1184, 18407), (1264, 17242), (1864, 11692), (2528, 8621), (2923, 7456), (3728, 5846)]