21080102013

素因数分解:

$3^5\times {\mathrm{7001}}^1\times {\mathrm{12391}}^1$

素因数の和:19407

約数の個数: 24

約数和(自身を含む): 31583837376

約数和(自身を除く): 10503735363

約数列:

[1, 3, 9, 27, 81, 243, 7001, 12391, 21003, 37173, 63009, 111519, 189027, 334557, 567081, 1003671, 1701243, 3011013, 86749391, 260248173, 780744519, 2342233557, 7026700671, 21080102013]

約数ペア:

[(1, 21080102013), (3, 7026700671), (9, 2342233557), (27, 780744519), (81, 260248173), (243, 86749391), (7001, 3011013), (12391, 1701243), (21003, 1003671), (37173, 567081), (63009, 334557), (111519, 189027)]