21909524

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 49260288

約数和(自身を除く): 27350764

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2617, 4186, 5234, 8372, 10468, 18319, 34021, 36638, 60191, 68042, 73276, 120382, 136084, 238147, 240764, 421337, 476294, 782483, 842674, 952588, 1564966, 1685348, 3129932, 5477381, 10954762, 21909524]

約数ペア:

[(1, 21909524), (2, 10954762), (4, 5477381), (7, 3129932), (13, 1685348), (14, 1564966), (23, 952588), (26, 842674), (28, 782483), (46, 476294), (52, 421337), (91, 240764), (92, 238147), (161, 136084), (182, 120382), (299, 73276), (322, 68042), (364, 60191), (598, 36638), (644, 34021), (1196, 18319), (2093, 10468), (2617, 8372), (4186, 5234)]