21412188

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{1049}}^1$

素因数の和:1078

約数の個数: 84

約数和(自身を含む): 64268400

約数和(自身を除く): 42856212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1049, 1134, 1458, 1701, 2098, 2268, 2916, 3147, 3402, 4196, 5103, 6294, 6804, 7343, 9441, 10206, 12588, 14686, 18882, 20412, 22029, 28323, 29372, 37764, 44058, 56646, 66087, 84969, 88116, 113292, 132174, 169938, 198261, 254907, 264348, 339876, 396522, 509814, 594783, 764721, 793044, 1019628, 1189566, 1529442, 1784349, 2379132, 3058884, 3568698, 5353047, 7137396, 10706094, 21412188]

約数ペア:

[(1, 21412188), (2, 10706094), (3, 7137396), (4, 5353047), (6, 3568698), (7, 3058884), (9, 2379132), (12, 1784349), (14, 1529442), (18, 1189566), (21, 1019628), (27, 793044), (28, 764721), (36, 594783), (42, 509814), (54, 396522), (63, 339876), (81, 264348), (84, 254907), (108, 198261), (126, 169938), (162, 132174), (189, 113292), (243, 88116), (252, 84969), (324, 66087), (378, 56646), (486, 44058), (567, 37764), (729, 29372), (756, 28323), (972, 22029), (1049, 20412), (1134, 18882), (1458, 14686), (1701, 12588), (2098, 10206), (2268, 9441), (2916, 7343), (3147, 6804), (3402, 6294), (4196, 5103)]