21130908

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 31154052

約数列:

[1, 2, 3, 4, 6, 12, 29, 41, 58, 82, 87, 116, 123, 164, 174, 246, 348, 492, 1189, 1481, 2378, 2962, 3567, 4443, 4756, 5924, 7134, 8886, 14268, 17772, 42949, 60721, 85898, 121442, 128847, 171796, 182163, 242884, 257694, 364326, 515388, 728652, 1760909, 3521818, 5282727, 7043636, 10565454, 21130908]

約数ペア:

[(1, 21130908), (2, 10565454), (3, 7043636), (4, 5282727), (6, 3521818), (12, 1760909), (29, 728652), (41, 515388), (58, 364326), (82, 257694), (87, 242884), (116, 182163), (123, 171796), (164, 128847), (174, 121442), (246, 85898), (348, 60721), (492, 42949), (1189, 17772), (1481, 14268), (2378, 8886), (2962, 7134), (3567, 5924), (4443, 4756)]