21479245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4283}}^1$

素因数の和:4364

約数の個数: 16

約数和(自身を含む): 27760320

約数和(自身を除く): 6281075

約数列:

[1, 5, 17, 59, 85, 295, 1003, 4283, 5015, 21415, 72811, 252697, 364055, 1263485, 4295849, 21479245]

約数ペア:

[(1, 21479245), (5, 4295849), (17, 1263485), (59, 364055), (85, 252697), (295, 72811), (1003, 21415), (4283, 5015)]