21031252

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2287}}^1$

素因数の和:2332

約数の個数: 36

約数和(自身を含む): 42602560

約数和(自身を除く): 21571308

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2287, 2299, 4574, 4598, 9148, 9196, 25157, 43453, 50314, 86906, 100628, 173812, 276727, 477983, 553454, 955966, 1106908, 1911932, 5257813, 10515626, 21031252]

約数ペア:

[(1, 21031252), (2, 10515626), (4, 5257813), (11, 1911932), (19, 1106908), (22, 955966), (38, 553454), (44, 477983), (76, 276727), (121, 173812), (209, 100628), (242, 86906), (418, 50314), (484, 43453), (836, 25157), (2287, 9196), (2299, 9148), (4574, 4598)]