21582420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1019}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 60661440

約数和(自身を除く): 39079020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 1019, 1059, 1412, 1765, 2038, 2118, 3057, 3530, 4076, 4236, 5095, 5295, 6114, 7060, 10190, 10590, 12228, 15285, 20380, 21180, 30570, 61140, 359707, 719414, 1079121, 1438828, 1798535, 2158242, 3597070, 4316484, 5395605, 7194140, 10791210, 21582420]

約数ペア:

[(1, 21582420), (2, 10791210), (3, 7194140), (4, 5395605), (5, 4316484), (6, 3597070), (10, 2158242), (12, 1798535), (15, 1438828), (20, 1079121), (30, 719414), (60, 359707), (353, 61140), (706, 30570), (1019, 21180), (1059, 20380), (1412, 15285), (1765, 12228), (2038, 10590), (2118, 10190), (3057, 7060), (3530, 6114), (4076, 5295), (4236, 5095)]