21893595

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14601765

約数列:

[1, 3, 5, 15, 31, 93, 155, 197, 239, 465, 591, 717, 985, 1195, 2955, 3585, 6107, 7409, 18321, 22227, 30535, 37045, 47083, 91605, 111135, 141249, 235415, 706245, 1459573, 4378719, 7297865, 21893595]

約数ペア:

[(1, 21893595), (3, 7297865), (5, 4378719), (15, 1459573), (31, 706245), (93, 235415), (155, 141249), (197, 111135), (239, 91605), (465, 47083), (591, 37045), (717, 30535), (985, 22227), (1195, 18321), (2955, 7409), (3585, 6107)]