21519536

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{58477}}^1$

素因数の和:58508

約数の個数: 20

約数和(自身を含む): 43507632

約数和(自身を除く): 21988096

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 58477, 116954, 233908, 467816, 935632, 1344971, 2689942, 5379884, 10759768, 21519536]

約数ペア:

[(1, 21519536), (2, 10759768), (4, 5379884), (8, 2689942), (16, 1344971), (23, 935632), (46, 467816), (92, 233908), (184, 116954), (368, 58477)]