21938996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2273}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 40750080

約数和(自身を除く): 18811084

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2273, 2413, 4546, 4826, 9092, 9652, 43187, 86374, 172748, 288671, 577342, 1154684, 5484749, 10969498, 21938996]

約数ペア:

[(1, 21938996), (2, 10969498), (4, 5484749), (19, 1154684), (38, 577342), (76, 288671), (127, 172748), (254, 86374), (508, 43187), (2273, 9652), (2413, 9092), (4546, 4826)]