21043386

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 37138374

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 29, 39, 42, 58, 63, 78, 87, 91, 117, 126, 174, 182, 203, 234, 261, 273, 377, 406, 443, 522, 546, 609, 754, 819, 886, 1131, 1218, 1329, 1638, 1827, 2262, 2639, 2658, 3101, 3393, 3654, 3987, 5278, 5759, 6202, 6786, 7917, 7974, 9303, 11518, 12847, 15834, 17277, 18606, 23751, 25694, 27909, 34554, 38541, 40313, 47502, 51831, 55818, 77082, 80626, 89929, 103662, 115623, 120939, 167011, 179858, 231246, 241878, 269787, 334022, 362817, 501033, 539574, 725634, 809361, 1002066, 1169077, 1503099, 1618722, 2338154, 3006198, 3507231, 7014462, 10521693, 21043386]

約数ペア:

[(1, 21043386), (2, 10521693), (3, 7014462), (6, 3507231), (7, 3006198), (9, 2338154), (13, 1618722), (14, 1503099), (18, 1169077), (21, 1002066), (26, 809361), (29, 725634), (39, 539574), (42, 501033), (58, 362817), (63, 334022), (78, 269787), (87, 241878), (91, 231246), (117, 179858), (126, 167011), (174, 120939), (182, 115623), (203, 103662), (234, 89929), (261, 80626), (273, 77082), (377, 55818), (406, 51831), (443, 47502), (522, 40313), (546, 38541), (609, 34554), (754, 27909), (819, 25694), (886, 23751), (1131, 18606), (1218, 17277), (1329, 15834), (1638, 12847), (1827, 11518), (2262, 9303), (2639, 7974), (2658, 7917), (3101, 6786), (3393, 6202), (3654, 5759), (3987, 5278)]