21956938270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{32003}}^1$

素因数の和:32209

約数の個数: 64

約数和(自身を含む): 43689300480

約数和(自身を除く): 21732362210

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 157, 190, 230, 314, 437, 785, 874, 1570, 2185, 2983, 3611, 4370, 5966, 7222, 14915, 18055, 29830, 32003, 36110, 64006, 68609, 137218, 160015, 320030, 343045, 608057, 686090, 736069, 1216114, 1472138, 3040285, 3680345, 5024471, 6080570, 7360690, 10048942, 13985311, 25122355, 27970622, 50244710, 69926555, 95464949, 115562833, 139853110, 190929898, 231125666, 477324745, 577814165, 954649490, 1155628330, 2195693827, 4391387654, 10978469135, 21956938270]

約数ペア:

[(1, 21956938270), (2, 10978469135), (5, 4391387654), (10, 2195693827), (19, 1155628330), (23, 954649490), (38, 577814165), (46, 477324745), (95, 231125666), (115, 190929898), (157, 139853110), (190, 115562833), (230, 95464949), (314, 69926555), (437, 50244710), (785, 27970622), (874, 25122355), (1570, 13985311), (2185, 10048942), (2983, 7360690), (3611, 6080570), (4370, 5024471), (5966, 3680345), (7222, 3040285), (14915, 1472138), (18055, 1216114), (29830, 736069), (32003, 686090), (36110, 608057), (64006, 343045), (68609, 320030), (137218, 160015)]