21219210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5483}}^1$

素因数の和:5539

約数の個数: 48

約数和(自身を含む): 56463264

約数和(自身を除く): 35244054

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5483, 10966, 16449, 27415, 32898, 49347, 54830, 82245, 98694, 164490, 235769, 246735, 471538, 493470, 707307, 1178845, 1414614, 2121921, 2357690, 3536535, 4243842, 7073070, 10609605, 21219210]

約数ペア:

[(1, 21219210), (2, 10609605), (3, 7073070), (5, 4243842), (6, 3536535), (9, 2357690), (10, 2121921), (15, 1414614), (18, 1178845), (30, 707307), (43, 493470), (45, 471538), (86, 246735), (90, 235769), (129, 164490), (215, 98694), (258, 82245), (387, 54830), (430, 49347), (645, 32898), (774, 27415), (1290, 16449), (1935, 10966), (3870, 5483)]