21323415

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3303

約数の個数: 32

約数和(自身を含む): 37486080

約数和(自身を除く): 16162665

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3253, 6555, 9759, 16265, 48795, 61807, 74819, 185421, 224457, 309035, 374095, 927105, 1122285, 1421561, 4264683, 7107805, 21323415]

約数ペア:

[(1, 21323415), (3, 7107805), (5, 4264683), (15, 1421561), (19, 1122285), (23, 927105), (57, 374095), (69, 309035), (95, 224457), (115, 185421), (285, 74819), (345, 61807), (437, 48795), (1311, 16265), (2185, 9759), (3253, 6555)]