21821365

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6121}}^1$

素因数の和:6180

約数の個数: 16

約数和(自身を含む): 28210176

約数和(自身を除く): 6388811

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 6121, 30605, 140783, 189751, 703915, 948755, 4364273, 21821365]

約数ペア:

[(1, 21821365), (5, 4364273), (23, 948755), (31, 703915), (115, 189751), (155, 140783), (713, 30605), (3565, 6121)]