21899384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 24670216

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 83, 86, 104, 118, 166, 172, 236, 332, 344, 472, 559, 664, 767, 1079, 1118, 1534, 2158, 2236, 2537, 3068, 3569, 4316, 4472, 4897, 5074, 6136, 7138, 8632, 9794, 10148, 14276, 19588, 20296, 28552, 32981, 39176, 46397, 63661, 65962, 92794, 127322, 131924, 185588, 210571, 254644, 263848, 371176, 421142, 509288, 842284, 1684568, 2737423, 5474846, 10949692, 21899384]

約数ペア:

[(1, 21899384), (2, 10949692), (4, 5474846), (8, 2737423), (13, 1684568), (26, 842284), (43, 509288), (52, 421142), (59, 371176), (83, 263848), (86, 254644), (104, 210571), (118, 185588), (166, 131924), (172, 127322), (236, 92794), (332, 65962), (344, 63661), (472, 46397), (559, 39176), (664, 32981), (767, 28552), (1079, 20296), (1118, 19588), (1534, 14276), (2158, 10148), (2236, 9794), (2537, 8632), (3068, 7138), (3569, 6136), (4316, 5074), (4472, 4897)]