21286956

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{57223}}^1$

素因数の和:57261

約数の個数: 24

約数和(自身を含む): 51272704

約数和(自身を除く): 29985748

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 57223, 114446, 171669, 228892, 343338, 686676, 1773913, 3547826, 5321739, 7095652, 10643478, 21286956]

約数ペア:

[(1, 21286956), (2, 10643478), (3, 7095652), (4, 5321739), (6, 3547826), (12, 1773913), (31, 686676), (62, 343338), (93, 228892), (124, 171669), (186, 114446), (372, 57223)]