21818265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6703}}^1$

素因数の和:6749

約数の個数: 32

約数和(自身を含む): 41189376

約数和(自身を除く): 19371111

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6703, 20109, 33515, 46921, 100545, 140763, 207793, 234605, 623379, 703815, 1038965, 1454551, 3116895, 4363653, 7272755, 21818265]

約数ペア:

[(1, 21818265), (3, 7272755), (5, 4363653), (7, 3116895), (15, 1454551), (21, 1038965), (31, 703815), (35, 623379), (93, 234605), (105, 207793), (155, 140763), (217, 100545), (465, 46921), (651, 33515), (1085, 20109), (3255, 6703)]