21949890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 56318976

約数和(自身を除く): 34369086

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 193, 223, 255, 386, 446, 510, 579, 669, 965, 1115, 1158, 1338, 1930, 2230, 2895, 3281, 3345, 3791, 5790, 6562, 6690, 7582, 9843, 11373, 16405, 18955, 19686, 22746, 32810, 37910, 43039, 49215, 56865, 86078, 98430, 113730, 129117, 215195, 258234, 430390, 645585, 731663, 1291170, 1463326, 2194989, 3658315, 4389978, 7316630, 10974945, 21949890]

約数ペア:

[(1, 21949890), (2, 10974945), (3, 7316630), (5, 4389978), (6, 3658315), (10, 2194989), (15, 1463326), (17, 1291170), (30, 731663), (34, 645585), (51, 430390), (85, 258234), (102, 215195), (170, 129117), (193, 113730), (223, 98430), (255, 86078), (386, 56865), (446, 49215), (510, 43039), (579, 37910), (669, 32810), (965, 22746), (1115, 19686), (1158, 18955), (1338, 16405), (1930, 11373), (2230, 9843), (2895, 7582), (3281, 6690), (3345, 6562), (3791, 5790)]