21352790225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{3001}}^1\times {\mathrm{21893}}^1$

素因数の和:24917

約数の個数: 24

約数和(自身を含む): 28524991992

約数和(自身を除く): 7172201767

約数列:

[1, 5, 13, 25, 65, 325, 3001, 15005, 21893, 39013, 75025, 109465, 195065, 284609, 547325, 975325, 1423045, 7115225, 65700893, 328504465, 854111609, 1642522325, 4270558045, 21352790225]

約数ペア:

[(1, 21352790225), (5, 4270558045), (13, 1642522325), (25, 854111609), (65, 328504465), (325, 65700893), (3001, 7115225), (15005, 1423045), (21893, 975325), (39013, 547325), (75025, 284609), (109465, 195065)]