21289256254

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{25349}}^1$

素因数の和:25848

約数の個数: 32

約数和(自身を含む): 36796032000

約数和(自身を除く): 15506775746

約数列:

[1, 2, 7, 14, 239, 251, 478, 502, 1673, 1757, 3346, 3514, 25349, 50698, 59989, 119978, 177443, 354886, 419923, 839846, 6058411, 6362599, 12116822, 12725198, 42408877, 44538193, 84817754, 89076386, 1520661161, 3041322322, 10644628127, 21289256254]

約数ペア:

[(1, 21289256254), (2, 10644628127), (7, 3041322322), (14, 1520661161), (239, 89076386), (251, 84817754), (478, 44538193), (502, 42408877), (1673, 12725198), (1757, 12116822), (3346, 6362599), (3514, 6058411), (25349, 839846), (50698, 419923), (59989, 354886), (119978, 177443)]