21296672

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 44294040

約数和(自身を除く): 22997368

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 106, 116, 212, 232, 424, 433, 464, 848, 866, 928, 1537, 1696, 1732, 3074, 3464, 6148, 6928, 12296, 12557, 13856, 22949, 24592, 25114, 45898, 49184, 50228, 91796, 100456, 183592, 200912, 367184, 401824, 665521, 734368, 1331042, 2662084, 5324168, 10648336, 21296672]

約数ペア:

[(1, 21296672), (2, 10648336), (4, 5324168), (8, 2662084), (16, 1331042), (29, 734368), (32, 665521), (53, 401824), (58, 367184), (106, 200912), (116, 183592), (212, 100456), (232, 91796), (424, 50228), (433, 49184), (464, 45898), (848, 25114), (866, 24592), (928, 22949), (1537, 13856), (1696, 12557), (1732, 12296), (3074, 6928), (3464, 6148)]