21712974

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 44595360

約数和(自身を除く): 22882386

約数列:

[1, 2, 3, 6, 73, 89, 146, 178, 219, 267, 438, 534, 557, 1114, 1671, 3342, 6497, 12994, 19491, 38982, 40661, 49573, 81322, 99146, 121983, 148719, 243966, 297438, 3618829, 7237658, 10856487, 21712974]

約数ペア:

[(1, 21712974), (2, 10856487), (3, 7237658), (6, 3618829), (73, 297438), (89, 243966), (146, 148719), (178, 121983), (219, 99146), (267, 81322), (438, 49573), (534, 40661), (557, 38982), (1114, 19491), (1671, 12994), (3342, 6497)]