21557736

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1319}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 58687200

約数和(自身を除く): 37129464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1319, 1362, 1816, 2043, 2638, 2724, 3957, 4086, 5276, 5448, 7914, 8172, 10552, 11871, 15828, 16344, 23742, 31656, 47484, 94968, 299413, 598826, 898239, 1197652, 1796478, 2395304, 2694717, 3592956, 5389434, 7185912, 10778868, 21557736]

約数ペア:

[(1, 21557736), (2, 10778868), (3, 7185912), (4, 5389434), (6, 3592956), (8, 2694717), (9, 2395304), (12, 1796478), (18, 1197652), (24, 898239), (36, 598826), (72, 299413), (227, 94968), (454, 47484), (681, 31656), (908, 23742), (1319, 16344), (1362, 15828), (1816, 11871), (2043, 10552), (2638, 8172), (2724, 7914), (3957, 5448), (4086, 5276)]