21268635

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 14563173

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 795, 863, 1643, 2589, 4315, 4929, 8215, 12945, 24645, 26753, 45739, 80259, 133765, 137217, 228695, 401295, 686085, 1417909, 4253727, 7089545, 21268635]

約数ペア:

[(1, 21268635), (3, 7089545), (5, 4253727), (15, 1417909), (31, 686085), (53, 401295), (93, 228695), (155, 137217), (159, 133765), (265, 80259), (465, 45739), (795, 26753), (863, 24645), (1643, 12945), (2589, 8215), (4315, 4929)]