21840704

素因数分解:

$2^6\times {\mathrm{331}}^1\times {\mathrm{1031}}^1$

素因数の和:1374

約数の個数: 28

約数和(自身を含む): 43513248

約数和(自身を除く): 21672544

約数列:

[1, 2, 4, 8, 16, 32, 64, 331, 662, 1031, 1324, 2062, 2648, 4124, 5296, 8248, 10592, 16496, 21184, 32992, 65984, 341261, 682522, 1365044, 2730088, 5460176, 10920352, 21840704]

約数ペア:

[(1, 21840704), (2, 10920352), (4, 5460176), (8, 2730088), (16, 1365044), (32, 682522), (64, 341261), (331, 65984), (662, 32992), (1031, 21184), (1324, 16496), (2062, 10592), (2648, 8248), (4124, 5296)]