21409056

素因数分解:

$2^5\times 3^3\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 42094944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 71, 72, 96, 108, 142, 144, 213, 216, 284, 288, 349, 426, 432, 568, 639, 698, 852, 864, 1047, 1136, 1278, 1396, 1704, 1917, 2094, 2272, 2556, 2792, 3141, 3408, 3834, 4188, 5112, 5584, 6282, 6816, 7668, 8376, 9423, 10224, 11168, 12564, 15336, 16752, 18846, 20448, 24779, 25128, 30672, 33504, 37692, 49558, 50256, 61344, 74337, 75384, 99116, 100512, 148674, 150768, 198232, 223011, 297348, 301536, 396464, 446022, 594696, 669033, 792928, 892044, 1189392, 1338066, 1784088, 2378784, 2676132, 3568176, 5352264, 7136352, 10704528, 21409056]

約数ペア:

[(1, 21409056), (2, 10704528), (3, 7136352), (4, 5352264), (6, 3568176), (8, 2676132), (9, 2378784), (12, 1784088), (16, 1338066), (18, 1189392), (24, 892044), (27, 792928), (32, 669033), (36, 594696), (48, 446022), (54, 396464), (71, 301536), (72, 297348), (96, 223011), (108, 198232), (142, 150768), (144, 148674), (213, 100512), (216, 99116), (284, 75384), (288, 74337), (349, 61344), (426, 50256), (432, 49558), (568, 37692), (639, 33504), (698, 30672), (852, 25128), (864, 24779), (1047, 20448), (1136, 18846), (1278, 16752), (1396, 15336), (1704, 12564), (1917, 11168), (2094, 10224), (2272, 9423), (2556, 8376), (2792, 7668), (3141, 6816), (3408, 6282), (3834, 5584), (4188, 5112)]