21312576

素因数分解:

$2^6\times 3^2\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 84

約数和(自身を含む): 61734192

約数和(自身を除く): 40421616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 163, 192, 227, 288, 326, 454, 489, 576, 652, 681, 908, 978, 1304, 1362, 1467, 1816, 1956, 2043, 2608, 2724, 2934, 3632, 3912, 4086, 5216, 5448, 5868, 7264, 7824, 8172, 10432, 10896, 11736, 14528, 15648, 16344, 21792, 23472, 31296, 32688, 37001, 43584, 46944, 65376, 74002, 93888, 111003, 130752, 148004, 222006, 296008, 333009, 444012, 592016, 666018, 888024, 1184032, 1332036, 1776048, 2368064, 2664072, 3552096, 5328144, 7104192, 10656288, 21312576]

約数ペア:

[(1, 21312576), (2, 10656288), (3, 7104192), (4, 5328144), (6, 3552096), (8, 2664072), (9, 2368064), (12, 1776048), (16, 1332036), (18, 1184032), (24, 888024), (32, 666018), (36, 592016), (48, 444012), (64, 333009), (72, 296008), (96, 222006), (144, 148004), (163, 130752), (192, 111003), (227, 93888), (288, 74002), (326, 65376), (454, 46944), (489, 43584), (576, 37001), (652, 32688), (681, 31296), (908, 23472), (978, 21792), (1304, 16344), (1362, 15648), (1467, 14528), (1816, 11736), (1956, 10896), (2043, 10432), (2608, 8172), (2724, 7824), (2934, 7264), (3632, 5868), (3912, 5448), (4086, 5216)]