21104325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8527}}^1$

素因数の和:8554

約数の個数: 36

約数和(自身を含む): 41241408

約数和(自身を除く): 20137083

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8527, 25581, 42635, 76743, 93797, 127905, 213175, 281391, 383715, 468985, 639525, 844173, 1406955, 1918575, 2344925, 4220865, 7034775, 21104325]

約数ペア:

[(1, 21104325), (3, 7034775), (5, 4220865), (9, 2344925), (11, 1918575), (15, 1406955), (25, 844173), (33, 639525), (45, 468985), (55, 383715), (75, 281391), (99, 213175), (165, 127905), (225, 93797), (275, 76743), (495, 42635), (825, 25581), (2475, 8527)]