21127605

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23873}}^1$

素因数の和:23940

約数の個数: 16

約数和(自身を含む): 34378560

約数和(自身を除く): 13250955

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 23873, 71619, 119365, 358095, 1408507, 4225521, 7042535, 21127605]

約数ペア:

[(1, 21127605), (3, 7042535), (5, 4225521), (15, 1408507), (59, 358095), (177, 119365), (295, 71619), (885, 23873)]