21000455305

素因数分解:

$5^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1\times {\mathrm{67679}}^1$

素因数の和:68184

約数の個数: 16

約数和(自身を含む): 25404364800

約数和(自身を除く): 4403909495

約数列:

[1, 5, 229, 271, 1145, 1355, 62059, 67679, 310295, 338395, 15498491, 18341009, 77492455, 91705045, 4200091061, 21000455305]

約数ペア:

[(1, 21000455305), (5, 4200091061), (229, 91705045), (271, 77492455), (1145, 18341009), (1355, 15498491), (62059, 338395), (67679, 310295)]