21000948012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{595873}}^1$

素因数の和:595983

約数の個数: 72

約数和(自身を含む): 58562496720

約数和(自身を除く): 37561548708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 89, 99, 132, 178, 198, 267, 356, 396, 534, 801, 979, 1068, 1602, 1958, 2937, 3204, 3916, 5874, 8811, 11748, 17622, 35244, 595873, 1191746, 1787619, 2383492, 3575238, 5362857, 6554603, 7150476, 10725714, 13109206, 19663809, 21451428, 26218412, 39327618, 53032697, 58991427, 78655236, 106065394, 117982854, 159098091, 212130788, 235965708, 318196182, 477294273, 583359667, 636392364, 954588546, 1166719334, 1750079001, 1909177092, 2333438668, 3500158002, 5250237003, 7000316004, 10500474006, 21000948012]

約数ペア:

[(1, 21000948012), (2, 10500474006), (3, 7000316004), (4, 5250237003), (6, 3500158002), (9, 2333438668), (11, 1909177092), (12, 1750079001), (18, 1166719334), (22, 954588546), (33, 636392364), (36, 583359667), (44, 477294273), (66, 318196182), (89, 235965708), (99, 212130788), (132, 159098091), (178, 117982854), (198, 106065394), (267, 78655236), (356, 58991427), (396, 53032697), (534, 39327618), (801, 26218412), (979, 21451428), (1068, 19663809), (1602, 13109206), (1958, 10725714), (2937, 7150476), (3204, 6554603), (3916, 5362857), (5874, 3575238), (8811, 2383492), (11748, 1787619), (17622, 1191746), (35244, 595873)]