21882588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 65103360

約数和(自身を除く): 43220772

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 691, 754, 812, 1092, 1131, 1218, 1382, 1508, 2073, 2262, 2436, 2639, 2764, 4146, 4524, 4837, 5278, 7917, 8292, 8983, 9674, 10556, 14511, 15834, 17966, 19348, 20039, 26949, 29022, 31668, 35932, 40078, 53898, 58044, 60117, 62881, 80156, 107796, 120234, 125762, 140273, 188643, 240468, 251524, 260507, 280546, 377286, 420819, 521014, 561092, 754572, 781521, 841638, 1042028, 1563042, 1683276, 1823549, 3126084, 3647098, 5470647, 7294196, 10941294, 21882588]

約数ペア:

[(1, 21882588), (2, 10941294), (3, 7294196), (4, 5470647), (6, 3647098), (7, 3126084), (12, 1823549), (13, 1683276), (14, 1563042), (21, 1042028), (26, 841638), (28, 781521), (29, 754572), (39, 561092), (42, 521014), (52, 420819), (58, 377286), (78, 280546), (84, 260507), (87, 251524), (91, 240468), (116, 188643), (156, 140273), (174, 125762), (182, 120234), (203, 107796), (273, 80156), (348, 62881), (364, 60117), (377, 58044), (406, 53898), (546, 40078), (609, 35932), (691, 31668), (754, 29022), (812, 26949), (1092, 20039), (1131, 19348), (1218, 17966), (1382, 15834), (1508, 14511), (2073, 10556), (2262, 9674), (2436, 8983), (2639, 8292), (2764, 7917), (4146, 5278), (4524, 4837)]