21572696

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 41776560

約数和(自身を除く): 20203864

約数列:

[1, 2, 4, 8, 53, 83, 106, 166, 212, 332, 424, 613, 664, 1226, 2452, 4399, 4904, 8798, 17596, 32489, 35192, 50879, 64978, 101758, 129956, 203516, 259912, 407032, 2696587, 5393174, 10786348, 21572696]

約数ペア:

[(1, 21572696), (2, 10786348), (4, 5393174), (8, 2696587), (53, 407032), (83, 259912), (106, 203516), (166, 129956), (212, 101758), (332, 64978), (424, 50879), (613, 35192), (664, 32489), (1226, 17596), (2452, 8798), (4399, 4904)]