21449952

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1136

約数の個数: 72

約数和(自身を含む): 61916400

約数和(自身を除く): 40466448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1049, 1136, 1278, 1704, 2098, 2272, 2556, 3147, 3408, 4196, 5112, 6294, 6816, 8392, 9441, 10224, 12588, 16784, 18882, 20448, 25176, 33568, 37764, 50352, 74479, 75528, 100704, 148958, 151056, 223437, 297916, 302112, 446874, 595832, 670311, 893748, 1191664, 1340622, 1787496, 2383328, 2681244, 3574992, 5362488, 7149984, 10724976, 21449952]

約数ペア:

[(1, 21449952), (2, 10724976), (3, 7149984), (4, 5362488), (6, 3574992), (8, 2681244), (9, 2383328), (12, 1787496), (16, 1340622), (18, 1191664), (24, 893748), (32, 670311), (36, 595832), (48, 446874), (71, 302112), (72, 297916), (96, 223437), (142, 151056), (144, 148958), (213, 100704), (284, 75528), (288, 74479), (426, 50352), (568, 37764), (639, 33568), (852, 25176), (1049, 20448), (1136, 18882), (1278, 16784), (1704, 12588), (2098, 10224), (2272, 9441), (2556, 8392), (3147, 6816), (3408, 6294), (4196, 5112)]