21326770

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 39412800

約数和(自身を除く): 18086030

約数列:

[1, 2, 5, 10, 67, 134, 139, 229, 278, 335, 458, 670, 695, 1145, 1390, 2290, 9313, 15343, 18626, 30686, 31831, 46565, 63662, 76715, 93130, 153430, 159155, 318310, 2132677, 4265354, 10663385, 21326770]

約数ペア:

[(1, 21326770), (2, 10663385), (5, 4265354), (10, 2132677), (67, 318310), (134, 159155), (139, 153430), (229, 93130), (278, 76715), (335, 63662), (458, 46565), (670, 31831), (695, 30686), (1145, 18626), (1390, 15343), (2290, 9313)]