21229854

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 44169216

約数和(自身を除く): 22939362

約数列:

[1, 2, 3, 6, 31, 62, 93, 157, 186, 314, 471, 727, 942, 1454, 2181, 4362, 4867, 9734, 14601, 22537, 29202, 45074, 67611, 114139, 135222, 228278, 342417, 684834, 3538309, 7076618, 10614927, 21229854]

約数ペア:

[(1, 21229854), (2, 10614927), (3, 7076618), (6, 3538309), (31, 684834), (62, 342417), (93, 228278), (157, 135222), (186, 114139), (314, 67611), (471, 45074), (727, 29202), (942, 22537), (1454, 14601), (2181, 9734), (4362, 4867)]