21466480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38333}}^1$

素因数の和:38353

約数の個数: 40

約数和(自身を含む): 57040992

約数和(自身を除く): 35574512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38333, 76666, 153332, 191665, 268331, 306664, 383330, 536662, 613328, 766660, 1073324, 1341655, 1533320, 2146648, 2683310, 3066640, 4293296, 5366620, 10733240, 21466480]

約数ペア:

[(1, 21466480), (2, 10733240), (4, 5366620), (5, 4293296), (7, 3066640), (8, 2683310), (10, 2146648), (14, 1533320), (16, 1341655), (20, 1073324), (28, 766660), (35, 613328), (40, 536662), (56, 383330), (70, 306664), (80, 268331), (112, 191665), (140, 153332), (280, 76666), (560, 38333)]