21085344385

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{9833}}^1$

素因数の和:10353

約数の個数: 32

約数和(自身を含む): 29160248832

約数和(自身を除く): 8074904447

約数列:

[1, 5, 7, 35, 197, 311, 985, 1379, 1555, 2177, 6895, 9833, 10885, 49165, 61267, 68831, 306335, 344155, 428869, 1937101, 2144345, 3058063, 9685505, 13559707, 15290315, 21406441, 67798535, 107032205, 602438411, 3012192055, 4217068877, 21085344385]

約数ペア:

[(1, 21085344385), (5, 4217068877), (7, 3012192055), (35, 602438411), (197, 107032205), (311, 67798535), (985, 21406441), (1379, 15290315), (1555, 13559707), (2177, 9685505), (6895, 3058063), (9833, 2144345), (10885, 1937101), (49165, 428869), (61267, 344155), (68831, 306335)]