21541740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 66576384

約数和(自身を除く): 45034644

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 127, 132, 165, 220, 254, 257, 330, 381, 508, 514, 635, 660, 762, 771, 1028, 1270, 1285, 1397, 1524, 1542, 1905, 2540, 2570, 2794, 2827, 3084, 3810, 3855, 4191, 5140, 5588, 5654, 6985, 7620, 7710, 8382, 8481, 11308, 13970, 14135, 15420, 16764, 16962, 20955, 27940, 28270, 32639, 33924, 41910, 42405, 56540, 65278, 83820, 84810, 97917, 130556, 163195, 169620, 195834, 326390, 359029, 391668, 489585, 652780, 718058, 979170, 1077087, 1436116, 1795145, 1958340, 2154174, 3590290, 4308348, 5385435, 7180580, 10770870, 21541740]

約数ペア:

[(1, 21541740), (2, 10770870), (3, 7180580), (4, 5385435), (5, 4308348), (6, 3590290), (10, 2154174), (11, 1958340), (12, 1795145), (15, 1436116), (20, 1077087), (22, 979170), (30, 718058), (33, 652780), (44, 489585), (55, 391668), (60, 359029), (66, 326390), (110, 195834), (127, 169620), (132, 163195), (165, 130556), (220, 97917), (254, 84810), (257, 83820), (330, 65278), (381, 56540), (508, 42405), (514, 41910), (635, 33924), (660, 32639), (762, 28270), (771, 27940), (1028, 20955), (1270, 16962), (1285, 16764), (1397, 15420), (1524, 14135), (1542, 13970), (1905, 11308), (2540, 8481), (2570, 8382), (2794, 7710), (2827, 7620), (3084, 6985), (3810, 5654), (3855, 5588), (4191, 5140)]