21596616

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15787}}^1$

素因数の和:15818

約数の個数: 48

約数和(自身を含む): 61573200

約数和(自身を除く): 39976584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15787, 31574, 47361, 63148, 94722, 126296, 142083, 189444, 284166, 299953, 378888, 568332, 599906, 899859, 1136664, 1199812, 1799718, 2399624, 2699577, 3599436, 5399154, 7198872, 10798308, 21596616]

約数ペア:

[(1, 21596616), (2, 10798308), (3, 7198872), (4, 5399154), (6, 3599436), (8, 2699577), (9, 2399624), (12, 1799718), (18, 1199812), (19, 1136664), (24, 899859), (36, 599906), (38, 568332), (57, 378888), (72, 299953), (76, 284166), (114, 189444), (152, 142083), (171, 126296), (228, 94722), (342, 63148), (456, 47361), (684, 31574), (1368, 15787)]