21462585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4951}}^1$

素因数の和:4993

約数の個数: 24

約数和(自身を含む): 36486336

約数和(自身を除く): 15023751

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4951, 14853, 24755, 74265, 84167, 252501, 420835, 1262505, 1430839, 4292517, 7154195, 21462585]

約数ペア:

[(1, 21462585), (3, 7154195), (5, 4292517), (15, 1430839), (17, 1262505), (51, 420835), (85, 252501), (255, 84167), (289, 74265), (867, 24755), (1445, 14853), (4335, 4951)]