21581616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64231}}^1$

素因数の和:64249

約数の個数: 40

約数和(自身を含む): 63718144

約数和(自身を除く): 42136528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64231, 128462, 192693, 256924, 385386, 449617, 513848, 770772, 899234, 1027696, 1348851, 1541544, 1798468, 2697702, 3083088, 3596936, 5395404, 7193872, 10790808, 21581616]

約数ペア:

[(1, 21581616), (2, 10790808), (3, 7193872), (4, 5395404), (6, 3596936), (7, 3083088), (8, 2697702), (12, 1798468), (14, 1541544), (16, 1348851), (21, 1027696), (24, 899234), (28, 770772), (42, 513848), (48, 449617), (56, 385386), (84, 256924), (112, 192693), (168, 128462), (336, 64231)]