21559234

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13899326

約数列:

[1, 2, 23, 37, 46, 53, 74, 106, 239, 478, 851, 1219, 1702, 1961, 2438, 3922, 5497, 8843, 10994, 12667, 17686, 25334, 45103, 90206, 203389, 291341, 406778, 468679, 582682, 937358, 10779617, 21559234]

約数ペア:

[(1, 21559234), (2, 10779617), (23, 937358), (37, 582682), (46, 468679), (53, 406778), (74, 291341), (106, 203389), (239, 90206), (478, 45103), (851, 25334), (1219, 17686), (1702, 12667), (1961, 10994), (2438, 8843), (3922, 5497)]