21825856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 56

約数和(自身を含む): 47970440

約数和(自身を除く): 26144584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 709, 832, 962, 1184, 1418, 1924, 2368, 2836, 3848, 5672, 7696, 9217, 11344, 15392, 18434, 22688, 26233, 30784, 36868, 45376, 52466, 73736, 104932, 147472, 209864, 294944, 341029, 419728, 589888, 682058, 839456, 1364116, 1678912, 2728232, 5456464, 10912928, 21825856]

約数ペア:

[(1, 21825856), (2, 10912928), (4, 5456464), (8, 2728232), (13, 1678912), (16, 1364116), (26, 839456), (32, 682058), (37, 589888), (52, 419728), (64, 341029), (74, 294944), (104, 209864), (148, 147472), (208, 104932), (296, 73736), (416, 52466), (481, 45376), (592, 36868), (709, 30784), (832, 26233), (962, 22688), (1184, 18434), (1418, 15392), (1924, 11344), (2368, 9217), (2836, 7696), (3848, 5672)]