21482276

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{977}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 17950684

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 956, 977, 1954, 3908, 5497, 10994, 21988, 22471, 44942, 89884, 233503, 467006, 934012, 5370569, 10741138, 21482276]

約数ペア:

[(1, 21482276), (2, 10741138), (4, 5370569), (23, 934012), (46, 467006), (92, 233503), (239, 89884), (478, 44942), (956, 22471), (977, 21988), (1954, 10994), (3908, 5497)]