21160896

素因数分解:

$2^6\times 3^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:681

約数の個数: 56

約数和(自身を含む): 56327040

約数和(自身を除く): 35166144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 307, 359, 614, 718, 921, 1077, 1228, 1436, 1842, 2154, 2456, 2872, 3684, 4308, 4912, 5744, 7368, 8616, 9824, 11488, 14736, 17232, 19648, 22976, 29472, 34464, 58944, 68928, 110213, 220426, 330639, 440852, 661278, 881704, 1322556, 1763408, 2645112, 3526816, 5290224, 7053632, 10580448, 21160896]

約数ペア:

[(1, 21160896), (2, 10580448), (3, 7053632), (4, 5290224), (6, 3526816), (8, 2645112), (12, 1763408), (16, 1322556), (24, 881704), (32, 661278), (48, 440852), (64, 330639), (96, 220426), (192, 110213), (307, 68928), (359, 58944), (614, 34464), (718, 29472), (921, 22976), (1077, 19648), (1228, 17232), (1436, 14736), (1842, 11488), (2154, 9824), (2456, 8616), (2872, 7368), (3684, 5744), (4308, 4912)]