21173390

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6173}}^1$

素因数の和:6201

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 23279410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6173, 12346, 30865, 43211, 61730, 86422, 216055, 302477, 432110, 604954, 1512385, 2117339, 3024770, 4234678, 10586695, 21173390]

約数ペア:

[(1, 21173390), (2, 10586695), (5, 4234678), (7, 3024770), (10, 2117339), (14, 1512385), (35, 604954), (49, 432110), (70, 302477), (98, 216055), (245, 86422), (343, 61730), (490, 43211), (686, 30865), (1715, 12346), (3430, 6173)]