21801584

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5261}}^1$

素因数の和:5313

約数の個数: 40

約数和(自身を含む): 49589088

約数和(自身を除く): 27787504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5261, 10522, 21044, 36827, 42088, 73654, 84176, 147308, 194657, 294616, 389314, 589232, 778628, 1362599, 1557256, 2725198, 3114512, 5450396, 10900792, 21801584]

約数ペア:

[(1, 21801584), (2, 10900792), (4, 5450396), (7, 3114512), (8, 2725198), (14, 1557256), (16, 1362599), (28, 778628), (37, 589232), (56, 389314), (74, 294616), (112, 194657), (148, 147308), (259, 84176), (296, 73654), (518, 42088), (592, 36827), (1036, 21044), (2072, 10522), (4144, 5261)]