21438930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1283}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 51585984

約数和(自身を除く): 30147054

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 557, 1114, 1283, 1671, 2566, 2785, 3342, 3849, 5570, 6415, 7698, 8355, 12830, 16710, 19245, 38490, 714631, 1429262, 2143893, 3573155, 4287786, 7146310, 10719465, 21438930]

約数ペア:

[(1, 21438930), (2, 10719465), (3, 7146310), (5, 4287786), (6, 3573155), (10, 2143893), (15, 1429262), (30, 714631), (557, 38490), (1114, 19245), (1283, 16710), (1671, 12830), (2566, 8355), (2785, 7698), (3342, 6415), (3849, 5570)]