21167672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2963}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 21513928

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2963, 3572, 5926, 7144, 11852, 23704, 56297, 112594, 139261, 225188, 278522, 450376, 557044, 1114088, 2645959, 5291918, 10583836, 21167672]

約数ペア:

[(1, 21167672), (2, 10583836), (4, 5291918), (8, 2645959), (19, 1114088), (38, 557044), (47, 450376), (76, 278522), (94, 225188), (152, 139261), (188, 112594), (376, 56297), (893, 23704), (1786, 11852), (2963, 7144), (3572, 5926)]