21300870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15107}}^1$

素因数の和:15164

約数の個数: 32

約数和(自身を含む): 52213248

約数和(自身を除く): 30912378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15107, 30214, 45321, 75535, 90642, 151070, 226605, 453210, 710029, 1420058, 2130087, 3550145, 4260174, 7100290, 10650435, 21300870]

約数ペア:

[(1, 21300870), (2, 10650435), (3, 7100290), (5, 4260174), (6, 3550145), (10, 2130087), (15, 1420058), (30, 710029), (47, 453210), (94, 226605), (141, 151070), (235, 90642), (282, 75535), (470, 45321), (705, 30214), (1410, 15107)]