21568392

素因数分解:

$2^3\times 3^2\times {\mathrm{463}}^1\times {\mathrm{647}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 58631040

約数和(自身を除く): 37062648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 463, 647, 926, 1294, 1389, 1852, 1941, 2588, 2778, 3704, 3882, 4167, 5176, 5556, 5823, 7764, 8334, 11112, 11646, 15528, 16668, 23292, 33336, 46584, 299561, 599122, 898683, 1198244, 1797366, 2396488, 2696049, 3594732, 5392098, 7189464, 10784196, 21568392]

約数ペア:

[(1, 21568392), (2, 10784196), (3, 7189464), (4, 5392098), (6, 3594732), (8, 2696049), (9, 2396488), (12, 1797366), (18, 1198244), (24, 898683), (36, 599122), (72, 299561), (463, 46584), (647, 33336), (926, 23292), (1294, 16668), (1389, 15528), (1852, 11646), (1941, 11112), (2588, 8334), (2778, 7764), (3704, 5823), (3882, 5556), (4167, 5176)]