21942452710

素因数分解:

$2^1\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{1355309}}^1$

素因数の和:1356935

約数の個数: 16

約数和(自身を含む): 39520839600

約数和(自身を除く): 17578386890

約数列:

[1, 2, 5, 10, 1619, 3238, 8095, 16190, 1355309, 2710618, 6776545, 13553090, 2194245271, 4388490542, 10971226355, 21942452710]

約数ペア:

[(1, 21942452710), (2, 10971226355), (5, 4388490542), (10, 2194245271), (1619, 13553090), (3238, 6776545), (8095, 2710618), (16190, 1355309)]