21821370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42787}}^1$

素因数の和:42814

約数の個数: 32

約数和(自身を含む): 55453248

約数和(自身を除く): 33631878

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42787, 85574, 128361, 213935, 256722, 427870, 641805, 727379, 1283610, 1454758, 2182137, 3636895, 4364274, 7273790, 10910685, 21821370]

約数ペア:

[(1, 21821370), (2, 10910685), (3, 7273790), (5, 4364274), (6, 3636895), (10, 2182137), (15, 1454758), (17, 1283610), (30, 727379), (34, 641805), (51, 427870), (85, 256722), (102, 213935), (170, 128361), (255, 85574), (510, 42787)]