21451035

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30427}}^1$

素因数の和:30482

約数の個数: 16

約数和(自身を含む): 35053056

約数和(自身を除く): 13602021

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30427, 91281, 152135, 456405, 1430069, 4290207, 7150345, 21451035]

約数ペア:

[(1, 21451035), (3, 7150345), (5, 4290207), (15, 1430069), (47, 456405), (141, 152135), (235, 91281), (705, 30427)]