21799976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1297}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 44858880

約数和(自身を除く): 23058904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1297, 1528, 2101, 2594, 4202, 5188, 8404, 10376, 14267, 16808, 28534, 57068, 114136, 247727, 495454, 990908, 1981816, 2724997, 5449994, 10899988, 21799976]

約数ペア:

[(1, 21799976), (2, 10899988), (4, 5449994), (8, 2724997), (11, 1981816), (22, 990908), (44, 495454), (88, 247727), (191, 114136), (382, 57068), (764, 28534), (1297, 16808), (1528, 14267), (2101, 10376), (2594, 8404), (4202, 5188)]