21046144

素因数分解:

$2^7\times 7^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 48666240

約数和(自身を除く): 27620096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 283, 332, 448, 566, 581, 664, 896, 1132, 1162, 1328, 1981, 2264, 2324, 2656, 3962, 4528, 4648, 5312, 7924, 9056, 9296, 10624, 15848, 18112, 18592, 23489, 31696, 36224, 37184, 46978, 63392, 74368, 93956, 126784, 164423, 187912, 253568, 328846, 375824, 657692, 751648, 1315384, 1503296, 2630768, 3006592, 5261536, 10523072, 21046144]

約数ペア:

[(1, 21046144), (2, 10523072), (4, 5261536), (7, 3006592), (8, 2630768), (14, 1503296), (16, 1315384), (28, 751648), (32, 657692), (56, 375824), (64, 328846), (83, 253568), (112, 187912), (128, 164423), (166, 126784), (224, 93956), (283, 74368), (332, 63392), (448, 46978), (566, 37184), (581, 36224), (664, 31696), (896, 23489), (1132, 18592), (1162, 18112), (1328, 15848), (1981, 10624), (2264, 9296), (2324, 9056), (2656, 7924), (3962, 5312), (4528, 4648)]