210151445

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{20921}}^1$

素因数の和:20981

約数の個数: 24

約数和(自身を含む): 300523608

約数和(自身を除く): 90372163

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 10045, 20921, 104605, 146447, 732235, 857761, 1025129, 4288805, 5125645, 6004327, 30021635, 42030289, 210151445]

約数ペア:

[(1, 210151445), (5, 42030289), (7, 30021635), (35, 6004327), (41, 5125645), (49, 4288805), (205, 1025129), (245, 857761), (287, 732235), (1435, 146447), (2009, 104605), (10045, 20921)]