21334352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{941}}^1$

素因数の和:1071

約数の個数: 40

約数和(自身を含む): 44971080

約数和(自身を除く): 23636728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 941, 1417, 1744, 1882, 2834, 3764, 5668, 7528, 11336, 12233, 15056, 22672, 24466, 48932, 97864, 102569, 195728, 205138, 410276, 820552, 1333397, 1641104, 2666794, 5333588, 10667176, 21334352]

約数ペア:

[(1, 21334352), (2, 10667176), (4, 5333588), (8, 2666794), (13, 1641104), (16, 1333397), (26, 820552), (52, 410276), (104, 205138), (109, 195728), (208, 102569), (218, 97864), (436, 48932), (872, 24466), (941, 22672), (1417, 15056), (1744, 12233), (1882, 11336), (2834, 7528), (3764, 5668)]