21314860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152249}}^1$

素因数の和:152265

約数の個数: 24

約数和(自身を含む): 51156000

約数和(自身を除く): 29841140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152249, 304498, 608996, 761245, 1065743, 1522490, 2131486, 3044980, 4262972, 5328715, 10657430, 21314860]

約数ペア:

[(1, 21314860), (2, 10657430), (4, 5328715), (5, 4262972), (7, 3044980), (10, 2131486), (14, 1522490), (20, 1065743), (28, 761245), (35, 608996), (70, 304498), (140, 152249)]