21576448

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1052

約数の個数: 36

約数和(自身を含む): 43598520

約数和(自身を除く): 22022072

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 947, 1424, 1894, 2848, 3788, 5696, 7576, 11392, 15152, 22784, 30304, 60608, 84283, 121216, 168566, 242432, 337132, 674264, 1348528, 2697056, 5394112, 10788224, 21576448]

約数ペア:

[(1, 21576448), (2, 10788224), (4, 5394112), (8, 2697056), (16, 1348528), (32, 674264), (64, 337132), (89, 242432), (128, 168566), (178, 121216), (256, 84283), (356, 60608), (712, 30304), (947, 22784), (1424, 15152), (1894, 11392), (2848, 7576), (3788, 5696)]