21878252

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2702

約数の個数: 36

約数和(自身を含む): 44576280

約数和(自身を除く): 22698028

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2659, 4114, 5318, 8228, 10636, 29249, 45203, 58498, 90406, 116996, 180812, 321739, 497233, 643478, 994466, 1286956, 1988932, 5469563, 10939126, 21878252]

約数ペア:

[(1, 21878252), (2, 10939126), (4, 5469563), (11, 1988932), (17, 1286956), (22, 994466), (34, 643478), (44, 497233), (68, 321739), (121, 180812), (187, 116996), (242, 90406), (374, 58498), (484, 45203), (748, 29249), (2057, 10636), (2659, 8228), (4114, 5318)]