21715492787

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1\times {\mathrm{21121}}^1$

素因数の和:22214

約数の個数: 16

約数和(自身を含む): 23313618720

約数和(自身を除く): 1598125933

約数列:

[1, 19, 53, 1007, 1021, 19399, 21121, 54113, 401299, 1028147, 1119413, 21268847, 21564541, 409726279, 1142920673, 21715492787]

約数ペア:

[(1, 21715492787), (19, 1142920673), (53, 409726279), (1007, 21564541), (1021, 21268847), (19399, 1119413), (21121, 1028147), (54113, 401299)]