21522255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84401}}^1$

素因数の和:84426

約数の個数: 16

約数和(自身を含む): 36461664

約数和(自身を除く): 14939409

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 84401, 253203, 422005, 1266015, 1434817, 4304451, 7174085, 21522255]

約数ペア:

[(1, 21522255), (3, 7174085), (5, 4304451), (15, 1434817), (17, 1266015), (51, 422005), (85, 253203), (255, 84401)]