21000273882

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1153}}^1\times {\mathrm{1511}}^1$

素因数の和:2724

約数の個数: 96

約数和(自身を含む): 50125993344

約数和(自身を除く): 29125719462

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1153, 1511, 1722, 2009, 2306, 3022, 3459, 4018, 4533, 6027, 6918, 8071, 9066, 10577, 12054, 16142, 21154, 24213, 31731, 47273, 48426, 56497, 61951, 63462, 74039, 94546, 112994, 123902, 141819, 148078, 169491, 185853, 222117, 283638, 330911, 338982, 371706, 433657, 444234, 661822, 867314, 992733, 1300971, 1742183, 1985466, 2316377, 2601942, 3035599, 3484366, 4632754, 5226549, 6071198, 6949131, 9106797, 10453098, 12195281, 13898262, 18213594, 24390562, 36585843, 71429503, 73171686, 85366967, 142859006, 170733934, 214288509, 256100901, 428577018, 500006521, 512201802, 1000013042, 1500019563, 3000039126, 3500045647, 7000091294, 10500136941, 21000273882]

約数ペア:

[(1, 21000273882), (2, 10500136941), (3, 7000091294), (6, 3500045647), (7, 3000039126), (14, 1500019563), (21, 1000013042), (41, 512201802), (42, 500006521), (49, 428577018), (82, 256100901), (98, 214288509), (123, 170733934), (147, 142859006), (246, 85366967), (287, 73171686), (294, 71429503), (574, 36585843), (861, 24390562), (1153, 18213594), (1511, 13898262), (1722, 12195281), (2009, 10453098), (2306, 9106797), (3022, 6949131), (3459, 6071198), (4018, 5226549), (4533, 4632754), (6027, 3484366), (6918, 3035599), (8071, 2601942), (9066, 2316377), (10577, 1985466), (12054, 1742183), (16142, 1300971), (21154, 992733), (24213, 867314), (31731, 661822), (47273, 444234), (48426, 433657), (56497, 371706), (61951, 338982), (63462, 330911), (74039, 283638), (94546, 222117), (112994, 185853), (123902, 169491), (141819, 148078)]