21197370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8513}}^1$

素因数の和:8606

約数の個数: 32

約数和(自身を含む): 51492672

約数和(自身を除く): 30295302

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8513, 17026, 25539, 42565, 51078, 85130, 127695, 255390, 706579, 1413158, 2119737, 3532895, 4239474, 7065790, 10598685, 21197370]

約数ペア:

[(1, 21197370), (2, 10598685), (3, 7065790), (5, 4239474), (6, 3532895), (10, 2119737), (15, 1413158), (30, 706579), (83, 255390), (166, 127695), (249, 85130), (415, 51078), (498, 42565), (830, 25539), (1245, 17026), (2490, 8513)]