21851007

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13219}}^1$

素因数の和:13270

約数の個数: 16

約数和(自身を含む): 31728000

約数和(自身を除く): 9876993

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 13219, 39657, 251161, 383351, 753483, 1150053, 7283669, 21851007]

約数ペア:

[(1, 21851007), (3, 7283669), (19, 1150053), (29, 753483), (57, 383351), (87, 251161), (551, 39657), (1653, 13219)]