21460432

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:936

約数の個数: 60

約数和(自身を含む): 49984896

約数和(自身を除く): 28524464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 868, 883, 1519, 1736, 1766, 3038, 3472, 3532, 6076, 6181, 7064, 12152, 12362, 14128, 24304, 24724, 27373, 43267, 49448, 54746, 86534, 98896, 109492, 173068, 191611, 218984, 346136, 383222, 437968, 692272, 766444, 1341277, 1532888, 2682554, 3065776, 5365108, 10730216, 21460432]

約数ペア:

[(1, 21460432), (2, 10730216), (4, 5365108), (7, 3065776), (8, 2682554), (14, 1532888), (16, 1341277), (28, 766444), (31, 692272), (49, 437968), (56, 383222), (62, 346136), (98, 218984), (112, 191611), (124, 173068), (196, 109492), (217, 98896), (248, 86534), (392, 54746), (434, 49448), (496, 43267), (784, 27373), (868, 24724), (883, 24304), (1519, 14128), (1736, 12362), (1766, 12152), (3038, 7064), (3472, 6181), (3532, 6076)]