21361168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2423}}^1$

素因数の和:2479

約数の個数: 40

約数和(自身を含む): 45086400

約数和(自身を除く): 23725232

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 2423, 4408, 4846, 8816, 9692, 19384, 38768, 46037, 70267, 92074, 140534, 184148, 281068, 368296, 562136, 736592, 1124272, 1335073, 2670146, 5340292, 10680584, 21361168]

約数ペア:

[(1, 21361168), (2, 10680584), (4, 5340292), (8, 2670146), (16, 1335073), (19, 1124272), (29, 736592), (38, 562136), (58, 368296), (76, 281068), (116, 184148), (152, 140534), (232, 92074), (304, 70267), (464, 46037), (551, 38768), (1102, 19384), (2204, 9692), (2423, 8816), (4408, 4846)]