21320208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1661

約数の個数: 120

約数和(自身を含む): 73481408

約数和(自身を除く): 52161200

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1627, 1638, 1872, 2184, 3254, 3276, 4368, 4881, 6508, 6552, 9762, 11389, 13016, 13104, 14643, 19524, 21151, 22778, 26032, 29286, 34167, 39048, 42302, 45556, 58572, 63453, 68334, 78096, 84604, 91112, 102501, 117144, 126906, 136668, 148057, 169208, 182224, 190359, 205002, 234288, 253812, 273336, 296114, 338416, 380718, 410004, 444171, 507624, 546672, 592228, 761436, 820008, 888342, 1015248, 1184456, 1332513, 1522872, 1640016, 1776684, 2368912, 2665026, 3045744, 3553368, 5330052, 7106736, 10660104, 21320208]

約数ペア:

[(1, 21320208), (2, 10660104), (3, 7106736), (4, 5330052), (6, 3553368), (7, 3045744), (8, 2665026), (9, 2368912), (12, 1776684), (13, 1640016), (14, 1522872), (16, 1332513), (18, 1184456), (21, 1015248), (24, 888342), (26, 820008), (28, 761436), (36, 592228), (39, 546672), (42, 507624), (48, 444171), (52, 410004), (56, 380718), (63, 338416), (72, 296114), (78, 273336), (84, 253812), (91, 234288), (104, 205002), (112, 190359), (117, 182224), (126, 169208), (144, 148057), (156, 136668), (168, 126906), (182, 117144), (208, 102501), (234, 91112), (252, 84604), (273, 78096), (312, 68334), (336, 63453), (364, 58572), (468, 45556), (504, 42302), (546, 39048), (624, 34167), (728, 29286), (819, 26032), (936, 22778), (1008, 21151), (1092, 19524), (1456, 14643), (1627, 13104), (1638, 13016), (1872, 11389), (2184, 9762), (3254, 6552), (3276, 6508), (4368, 4881)]