21423801

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5897}}^1$

素因数の和:6080

約数の個数: 16

約数和(自身を含む): 32840064

約数和(自身を除く): 11416263

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5897, 17691, 41279, 123837, 1020181, 3060543, 7141267, 21423801]

約数ペア:

[(1, 21423801), (3, 7141267), (7, 3060543), (21, 1020181), (173, 123837), (519, 41279), (1211, 17691), (3633, 5897)]