21899430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11587}}^1$

素因数の和:11610

約数の個数: 64

約数和(自身を含む): 66746880

約数和(自身を除く): 44847450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11587, 23174, 34761, 57935, 69522, 81109, 104283, 115870, 162218, 173805, 208566, 243327, 312849, 347610, 405545, 486654, 521415, 625698, 729981, 811090, 1042830, 1216635, 1459962, 1564245, 2189943, 2433270, 3128490, 3649905, 4379886, 7299810, 10949715, 21899430]

約数ペア:

[(1, 21899430), (2, 10949715), (3, 7299810), (5, 4379886), (6, 3649905), (7, 3128490), (9, 2433270), (10, 2189943), (14, 1564245), (15, 1459962), (18, 1216635), (21, 1042830), (27, 811090), (30, 729981), (35, 625698), (42, 521415), (45, 486654), (54, 405545), (63, 347610), (70, 312849), (90, 243327), (105, 208566), (126, 173805), (135, 162218), (189, 115870), (210, 104283), (270, 81109), (315, 69522), (378, 57935), (630, 34761), (945, 23174), (1890, 11587)]