20921159521

素因数分解:

${\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1867}}^1\times {\mathrm{4243}}^1$

素因数の和:6268

約数の個数: 16

約数和(自身を含む): 22197817600

約数和(自身を除く): 1276658079

約数列:

[1, 19, 139, 1867, 2641, 4243, 35473, 80617, 259513, 589777, 4930747, 7921681, 11205763, 150511939, 1101113659, 20921159521]

約数ペア:

[(1, 20921159521), (19, 1101113659), (139, 150511939), (1867, 11205763), (2641, 7921681), (4243, 4930747), (35473, 589777), (80617, 259513)]