21588686

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17021746

約数列:

[1, 2, 7, 14, 37, 71, 74, 142, 259, 497, 518, 587, 994, 1174, 2627, 4109, 5254, 8218, 18389, 21719, 36778, 41677, 43438, 83354, 152033, 291739, 304066, 583478, 1542049, 3084098, 10794343, 21588686]

約数ペア:

[(1, 21588686), (2, 10794343), (7, 3084098), (14, 1542049), (37, 583478), (71, 304066), (74, 291739), (142, 152033), (259, 83354), (497, 43438), (518, 41677), (587, 36778), (994, 21719), (1174, 18389), (2627, 8218), (4109, 5254)]