21088590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1753}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 50767776

約数和(自身を除く): 29679186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 1753, 2005, 2406, 3506, 4010, 5259, 6015, 8765, 10518, 12030, 17530, 26295, 52590, 702953, 1405906, 2108859, 3514765, 4217718, 7029530, 10544295, 21088590]

約数ペア:

[(1, 21088590), (2, 10544295), (3, 7029530), (5, 4217718), (6, 3514765), (10, 2108859), (15, 1405906), (30, 702953), (401, 52590), (802, 26295), (1203, 17530), (1753, 12030), (2005, 10518), (2406, 8765), (3506, 6015), (4010, 5259)]