21542436

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 36551964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 599, 666, 972, 999, 1198, 1332, 1797, 1998, 2396, 2997, 3594, 3996, 5391, 5994, 7188, 8991, 10782, 11988, 16173, 17982, 21564, 22163, 32346, 35964, 44326, 48519, 64692, 66489, 88652, 97038, 132978, 145557, 194076, 199467, 265956, 291114, 398934, 582228, 598401, 797868, 1196802, 1795203, 2393604, 3590406, 5385609, 7180812, 10771218, 21542436]

約数ペア:

[(1, 21542436), (2, 10771218), (3, 7180812), (4, 5385609), (6, 3590406), (9, 2393604), (12, 1795203), (18, 1196802), (27, 797868), (36, 598401), (37, 582228), (54, 398934), (74, 291114), (81, 265956), (108, 199467), (111, 194076), (148, 145557), (162, 132978), (222, 97038), (243, 88652), (324, 66489), (333, 64692), (444, 48519), (486, 44326), (599, 35964), (666, 32346), (972, 22163), (999, 21564), (1198, 17982), (1332, 16173), (1797, 11988), (1998, 10782), (2396, 8991), (2997, 7188), (3594, 5994), (3996, 5391)]