21094704

素因数分解:

$2^4\times 3^2\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:834

約数の個数: 60

約数和(自身を含む): 59366736

約数和(自身を除く): 38272032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 263, 526, 557, 789, 1052, 1114, 1578, 1671, 2104, 2228, 2367, 3156, 3342, 4208, 4456, 4734, 5013, 6312, 6684, 8912, 9468, 10026, 12624, 13368, 18936, 20052, 26736, 37872, 40104, 80208, 146491, 292982, 439473, 585964, 878946, 1171928, 1318419, 1757892, 2343856, 2636838, 3515784, 5273676, 7031568, 10547352, 21094704]

約数ペア:

[(1, 21094704), (2, 10547352), (3, 7031568), (4, 5273676), (6, 3515784), (8, 2636838), (9, 2343856), (12, 1757892), (16, 1318419), (18, 1171928), (24, 878946), (36, 585964), (48, 439473), (72, 292982), (144, 146491), (263, 80208), (526, 40104), (557, 37872), (789, 26736), (1052, 20052), (1114, 18936), (1578, 13368), (1671, 12624), (2104, 10026), (2228, 9468), (2367, 8912), (3156, 6684), (3342, 6312), (4208, 5013), (4456, 4734)]