21305532

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{19949}}^1$

素因数の和:20045

約数の個数: 24

約数和(自身を含む): 50274000

約数和(自身を除く): 28968468

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 19949, 39898, 59847, 79796, 119694, 239388, 1775461, 3550922, 5326383, 7101844, 10652766, 21305532]

約数ペア:

[(1, 21305532), (2, 10652766), (3, 7101844), (4, 5326383), (6, 3550922), (12, 1775461), (89, 239388), (178, 119694), (267, 79796), (356, 59847), (534, 39898), (1068, 19949)]