21160713

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 33970176

約数和(自身を除く): 12809463

約数列:

[1, 3, 7, 21, 23, 69, 161, 193, 227, 483, 579, 681, 1351, 1589, 4053, 4439, 4767, 5221, 13317, 15663, 31073, 36547, 43811, 93219, 109641, 131433, 306677, 920031, 1007653, 3022959, 7053571, 21160713]

約数ペア:

[(1, 21160713), (3, 7053571), (7, 3022959), (21, 1007653), (23, 920031), (69, 306677), (161, 131433), (193, 109641), (227, 93219), (483, 43811), (579, 36547), (681, 31073), (1351, 15663), (1589, 13317), (4053, 5221), (4439, 4767)]