21845490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2707}}^1$

素因数の和:2986

約数の個数: 32

約数和(自身を含む): 52643520

約数和(自身を除く): 30798030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2690, 2707, 4035, 5414, 8070, 8121, 13535, 16242, 27070, 40605, 81210, 728183, 1456366, 2184549, 3640915, 4369098, 7281830, 10922745, 21845490]

約数ペア:

[(1, 21845490), (2, 10922745), (3, 7281830), (5, 4369098), (6, 3640915), (10, 2184549), (15, 1456366), (30, 728183), (269, 81210), (538, 40605), (807, 27070), (1345, 16242), (1614, 13535), (2690, 8121), (2707, 8070), (4035, 5414)]