21897496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2729}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 44226000

約数和(自身を除く): 22328504

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 2729, 4012, 5458, 8024, 10916, 21832, 46393, 92786, 161011, 185572, 322022, 371144, 644044, 1288088, 2737187, 5474374, 10948748, 21897496]

約数ペア:

[(1, 21897496), (2, 10948748), (4, 5474374), (8, 2737187), (17, 1288088), (34, 644044), (59, 371144), (68, 322022), (118, 185572), (136, 161011), (236, 92786), (472, 46393), (1003, 21832), (2006, 10916), (2729, 8024), (4012, 5458)]