21333995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6397}}^1$

素因数の和:6454

約数の個数: 16

約数和(自身を含む): 27639360

約数和(自身を除く): 6305365

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 6397, 31985, 147131, 185513, 735655, 927565, 4266799, 21333995]

約数ペア:

[(1, 21333995), (5, 4266799), (23, 927565), (29, 735655), (115, 185513), (145, 147131), (667, 31985), (3335, 6397)]