21083655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{929}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 15074745

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 929, 1335, 1513, 2787, 4539, 4645, 7565, 13935, 15793, 22695, 47379, 78965, 82681, 236895, 248043, 413405, 1240215, 1405577, 4216731, 7027885, 21083655]

約数ペア:

[(1, 21083655), (3, 7027885), (5, 4216731), (15, 1405577), (17, 1240215), (51, 413405), (85, 248043), (89, 236895), (255, 82681), (267, 78965), (445, 47379), (929, 22695), (1335, 15793), (1513, 13935), (2787, 7565), (4539, 4645)]