21248996

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2207}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 17700124

約数列:

[1, 2, 4, 29, 58, 83, 116, 166, 332, 2207, 2407, 4414, 4814, 8828, 9628, 64003, 128006, 183181, 256012, 366362, 732724, 5312249, 10624498, 21248996]

約数ペア:

[(1, 21248996), (2, 10624498), (4, 5312249), (29, 732724), (58, 366362), (83, 256012), (116, 183181), (166, 128006), (332, 64003), (2207, 9628), (2407, 8828), (4414, 4814)]