21190368

素因数分解:

$2^5\times 3^1\times {\mathrm{307}}^1\times {\mathrm{719}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34693152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 307, 614, 719, 921, 1228, 1438, 1842, 2157, 2456, 2876, 3684, 4314, 4912, 5752, 7368, 8628, 9824, 11504, 14736, 17256, 23008, 29472, 34512, 69024, 220733, 441466, 662199, 882932, 1324398, 1765864, 2648796, 3531728, 5297592, 7063456, 10595184, 21190368]

約数ペア:

[(1, 21190368), (2, 10595184), (3, 7063456), (4, 5297592), (6, 3531728), (8, 2648796), (12, 1765864), (16, 1324398), (24, 882932), (32, 662199), (48, 441466), (96, 220733), (307, 69024), (614, 34512), (719, 29472), (921, 23008), (1228, 17256), (1438, 14736), (1842, 11504), (2157, 9824), (2456, 8628), (2876, 7368), (3684, 5752), (4314, 4912)]