21974535

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 42052608

約数和(自身を除く): 20078073

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 103, 165, 309, 431, 495, 515, 927, 1133, 1293, 1545, 2155, 3399, 3879, 4635, 4741, 5665, 6465, 10197, 14223, 16995, 19395, 23705, 42669, 44393, 50985, 71115, 133179, 213345, 221965, 399537, 488323, 665895, 1464969, 1997685, 2441615, 4394907, 7324845, 21974535]

約数ペア:

[(1, 21974535), (3, 7324845), (5, 4394907), (9, 2441615), (11, 1997685), (15, 1464969), (33, 665895), (45, 488323), (55, 399537), (99, 221965), (103, 213345), (165, 133179), (309, 71115), (431, 50985), (495, 44393), (515, 42669), (927, 23705), (1133, 19395), (1293, 16995), (1545, 14223), (2155, 10197), (3399, 6465), (3879, 5665), (4635, 4741)]