21072832

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:869

約数の個数: 56

約数和(自身を含む): 46908720

約数和(自身を除く): 25835888

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 148, 176, 296, 352, 407, 592, 704, 809, 814, 1184, 1618, 1628, 2368, 3236, 3256, 6472, 6512, 8899, 12944, 13024, 17798, 25888, 26048, 29933, 35596, 51776, 59866, 71192, 119732, 142384, 239464, 284768, 329263, 478928, 569536, 658526, 957856, 1317052, 1915712, 2634104, 5268208, 10536416, 21072832]

約数ペア:

[(1, 21072832), (2, 10536416), (4, 5268208), (8, 2634104), (11, 1915712), (16, 1317052), (22, 957856), (32, 658526), (37, 569536), (44, 478928), (64, 329263), (74, 284768), (88, 239464), (148, 142384), (176, 119732), (296, 71192), (352, 59866), (407, 51776), (592, 35596), (704, 29933), (809, 26048), (814, 25888), (1184, 17798), (1618, 13024), (1628, 12944), (2368, 8899), (3236, 6512), (3256, 6472)]