21393548702937

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{6703}}^1\times {\mathrm{165173}}^1$

素因数の和:172014

約数の個数: 48

約数和(自身を含む): 32821157341440

約数和(自身を除く): 11427608638503

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 2147, 6441, 6703, 19323, 20109, 60327, 127357, 165173, 382071, 495519, 757439, 1146213, 1486557, 2272317, 3138287, 6816951, 9414861, 14391341, 18664549, 28244583, 43174023, 55993647, 129522069, 167980941, 354626431, 1063879293, 1107154619, 3191637879, 3321463857, 9964391571, 21035937761, 63107813283, 125108471947, 189323439849, 375325415841, 1125976247523, 2377060966993, 7131182900979, 21393548702937]

約数ペア:

[(1, 21393548702937), (3, 7131182900979), (9, 2377060966993), (19, 1125976247523), (57, 375325415841), (113, 189323439849), (171, 125108471947), (339, 63107813283), (1017, 21035937761), (2147, 9964391571), (6441, 3321463857), (6703, 3191637879), (19323, 1107154619), (20109, 1063879293), (60327, 354626431), (127357, 167980941), (165173, 129522069), (382071, 55993647), (495519, 43174023), (757439, 28244583), (1146213, 18664549), (1486557, 14391341), (2272317, 9414861), (3138287, 6816951)]