21572370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{853}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 56353752

約数和(自身を除く): 34781382

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 281, 562, 843, 853, 1405, 1686, 1706, 2529, 2559, 2810, 4215, 4265, 5058, 5118, 7677, 8430, 8530, 12645, 12795, 15354, 25290, 25590, 38385, 76770, 239693, 479386, 719079, 1198465, 1438158, 2157237, 2396930, 3595395, 4314474, 7190790, 10786185, 21572370]

約数ペア:

[(1, 21572370), (2, 10786185), (3, 7190790), (5, 4314474), (6, 3595395), (9, 2396930), (10, 2157237), (15, 1438158), (18, 1198465), (30, 719079), (45, 479386), (90, 239693), (281, 76770), (562, 38385), (843, 25590), (853, 25290), (1405, 15354), (1686, 12795), (1706, 12645), (2529, 8530), (2559, 8430), (2810, 7677), (4215, 5118), (4265, 5058)]