21015354

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 43407936

約数和(自身を除く): 22392582

約数列:

[1, 2, 3, 6, 61, 67, 122, 134, 183, 201, 366, 402, 857, 1714, 2571, 4087, 5142, 8174, 12261, 24522, 52277, 57419, 104554, 114838, 156831, 172257, 313662, 344514, 3502559, 7005118, 10507677, 21015354]

約数ペア:

[(1, 21015354), (2, 10507677), (3, 7005118), (6, 3502559), (61, 344514), (67, 313662), (122, 172257), (134, 156831), (183, 114838), (201, 104554), (366, 57419), (402, 52277), (857, 24522), (1714, 12261), (2571, 8174), (4087, 5142)]