21438222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1439}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 25010418

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 191, 382, 573, 1146, 1439, 2483, 2878, 4317, 4966, 7449, 8634, 14898, 18707, 37414, 56121, 112242, 274849, 549698, 824547, 1649094, 3573037, 7146074, 10719111, 21438222]

約数ペア:

[(1, 21438222), (2, 10719111), (3, 7146074), (6, 3573037), (13, 1649094), (26, 824547), (39, 549698), (78, 274849), (191, 112242), (382, 56121), (573, 37414), (1146, 18707), (1439, 14898), (2483, 8634), (2878, 7449), (4317, 4966)]