21915544

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 49124880

約数和(自身を除く): 27209336

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1511, 1813, 2072, 3022, 3626, 6044, 7252, 10577, 12088, 14504, 21154, 42308, 55907, 74039, 84616, 111814, 148078, 223628, 296156, 391349, 447256, 592312, 782698, 1565396, 2739443, 3130792, 5478886, 10957772, 21915544]

約数ペア:

[(1, 21915544), (2, 10957772), (4, 5478886), (7, 3130792), (8, 2739443), (14, 1565396), (28, 782698), (37, 592312), (49, 447256), (56, 391349), (74, 296156), (98, 223628), (148, 148078), (196, 111814), (259, 84616), (296, 74039), (392, 55907), (518, 42308), (1036, 21154), (1511, 14504), (1813, 12088), (2072, 10577), (3022, 7252), (3626, 6044)]