21144064

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:756

約数の個数: 40

約数和(自身を含む): 43002828

約数和(自身を除く): 21858764

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 677, 976, 1354, 1952, 2708, 3904, 5416, 7808, 10832, 15616, 21664, 31232, 41297, 43328, 82594, 86656, 165188, 173312, 330376, 346624, 660752, 1321504, 2643008, 5286016, 10572032, 21144064]

約数ペア:

[(1, 21144064), (2, 10572032), (4, 5286016), (8, 2643008), (16, 1321504), (32, 660752), (61, 346624), (64, 330376), (122, 173312), (128, 165188), (244, 86656), (256, 82594), (488, 43328), (512, 41297), (677, 31232), (976, 21664), (1354, 15616), (1952, 10832), (2708, 7808), (3904, 5416)]