21175635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 38035872

約数和(自身を除く): 16860237

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 113, 155, 195, 339, 403, 465, 565, 961, 1209, 1469, 1695, 2015, 2883, 3503, 4407, 4805, 6045, 7345, 10509, 12493, 14415, 17515, 22035, 37479, 45539, 52545, 62465, 108593, 136617, 187395, 227695, 325779, 542965, 683085, 1411709, 1628895, 4235127, 7058545, 21175635]

約数ペア:

[(1, 21175635), (3, 7058545), (5, 4235127), (13, 1628895), (15, 1411709), (31, 683085), (39, 542965), (65, 325779), (93, 227695), (113, 187395), (155, 136617), (195, 108593), (339, 62465), (403, 52545), (465, 45539), (565, 37479), (961, 22035), (1209, 17515), (1469, 14415), (1695, 12493), (2015, 10509), (2883, 7345), (3503, 6045), (4407, 4805)]