2021719301

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{96821}}^1$

素因数の和:97004

約数の個数: 16

約数和(自身を含む): 2447660160

約数和(自身を除く): 425940859

約数列:

[1, 7, 19, 133, 157, 1099, 2983, 20881, 96821, 677747, 1839599, 12877193, 15200897, 106406279, 288817043, 2021719301]

約数ペア:

[(1, 2021719301), (7, 288817043), (19, 106406279), (133, 15200897), (157, 12877193), (1099, 1839599), (2983, 677747), (20881, 96821)]