21585375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{2741}}^1$

素因数の和:2769

約数の個数: 48

約数和(自身を含む): 44486208

約数和(自身を除く): 22900833

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2625, 2741, 7875, 8223, 13705, 19187, 24669, 41115, 57561, 68525, 95935, 123345, 172683, 205575, 287805, 342625, 479675, 616725, 863415, 1027875, 1439025, 2398375, 3083625, 4317075, 7195125, 21585375]

約数ペア:

[(1, 21585375), (3, 7195125), (5, 4317075), (7, 3083625), (9, 2398375), (15, 1439025), (21, 1027875), (25, 863415), (35, 616725), (45, 479675), (63, 342625), (75, 287805), (105, 205575), (125, 172683), (175, 123345), (225, 95935), (315, 68525), (375, 57561), (525, 41115), (875, 24669), (1125, 19187), (1575, 13705), (2625, 8223), (2741, 7875)]