21752809870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{57503}}^1$

素因数の和:57721

約数の個数: 64

約数和(自身を含む): 45211944960

約数和(自身を除く): 23459135090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 181, 190, 209, 362, 418, 905, 1045, 1810, 1991, 2090, 3439, 3982, 6878, 9955, 17195, 19910, 34390, 37829, 57503, 75658, 115006, 189145, 287515, 378290, 575030, 632533, 1092557, 1265066, 2185114, 3162665, 5462785, 6325330, 10408043, 10925570, 12018127, 20816086, 24036254, 52040215, 60090635, 104080430, 114488473, 120181270, 197752817, 228976946, 395505634, 572442365, 988764085, 1144884730, 1977528170, 2175280987, 4350561974, 10876404935, 21752809870]

約数ペア:

[(1, 21752809870), (2, 10876404935), (5, 4350561974), (10, 2175280987), (11, 1977528170), (19, 1144884730), (22, 988764085), (38, 572442365), (55, 395505634), (95, 228976946), (110, 197752817), (181, 120181270), (190, 114488473), (209, 104080430), (362, 60090635), (418, 52040215), (905, 24036254), (1045, 20816086), (1810, 12018127), (1991, 10925570), (2090, 10408043), (3439, 6325330), (3982, 5462785), (6878, 3162665), (9955, 2185114), (17195, 1265066), (19910, 1092557), (34390, 632533), (37829, 575030), (57503, 378290), (75658, 287515), (115006, 189145)]