21175392

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31511}}^1$

素因数の和:31531

約数の個数: 48

約数和(自身を含む): 63528192

約数和(自身を除く): 42352800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31511, 63022, 94533, 126044, 189066, 220577, 252088, 378132, 441154, 504176, 661731, 756264, 882308, 1008352, 1323462, 1512528, 1764616, 2646924, 3025056, 3529232, 5293848, 7058464, 10587696, 21175392]

約数ペア:

[(1, 21175392), (2, 10587696), (3, 7058464), (4, 5293848), (6, 3529232), (7, 3025056), (8, 2646924), (12, 1764616), (14, 1512528), (16, 1323462), (21, 1008352), (24, 882308), (28, 756264), (32, 661731), (42, 504176), (48, 441154), (56, 378132), (84, 252088), (96, 220577), (112, 189066), (168, 126044), (224, 94533), (336, 63022), (672, 31511)]