21000643164

素因数分解:

$2^2\times 3^2\times {\mathrm{11353}}^1\times {\mathrm{51383}}^1$

素因数の和:62746

約数の個数: 36

約数和(自身を含む): 53090668176

約数和(自身を除く): 32090025012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 11353, 22706, 34059, 45412, 51383, 68118, 102177, 102766, 136236, 154149, 204354, 205532, 308298, 408708, 462447, 616596, 924894, 1849788, 583351199, 1166702398, 1750053597, 2333404796, 3500107194, 5250160791, 7000214388, 10500321582, 21000643164]

約数ペア:

[(1, 21000643164), (2, 10500321582), (3, 7000214388), (4, 5250160791), (6, 3500107194), (9, 2333404796), (12, 1750053597), (18, 1166702398), (36, 583351199), (11353, 1849788), (22706, 924894), (34059, 616596), (45412, 462447), (51383, 408708), (68118, 308298), (102177, 205532), (102766, 204354), (136236, 154149)]