21276285

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{829}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 35856000

約数和(自身を除く): 14579715

約数列:

[1, 3, 5, 15, 29, 59, 87, 145, 177, 295, 435, 829, 885, 1711, 2487, 4145, 5133, 8555, 12435, 24041, 25665, 48911, 72123, 120205, 146733, 244555, 360615, 733665, 1418419, 4255257, 7092095, 21276285]

約数ペア:

[(1, 21276285), (3, 7092095), (5, 4255257), (15, 1418419), (29, 733665), (59, 360615), (87, 244555), (145, 146733), (177, 120205), (295, 72123), (435, 48911), (829, 25665), (885, 24041), (1711, 12435), (2487, 8555), (4145, 5133)]