21024165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14918235

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1039, 1065, 1349, 3117, 4047, 5195, 6745, 15585, 19741, 20235, 59223, 73769, 98705, 221307, 296115, 368845, 1106535, 1401611, 4204833, 7008055, 21024165]

約数ペア:

[(1, 21024165), (3, 7008055), (5, 4204833), (15, 1401611), (19, 1106535), (57, 368845), (71, 296115), (95, 221307), (213, 98705), (285, 73769), (355, 59223), (1039, 20235), (1065, 19741), (1349, 15585), (3117, 6745), (4047, 5195)]