21000337506

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{5101}}^1$

素因数の和:5358

約数の個数: 96

約数和(自身を含む): 48537897408

約数和(自身を除く): 27537559902

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 197, 243, 258, 387, 394, 486, 591, 774, 1161, 1182, 1773, 2322, 3483, 3546, 5101, 5319, 6966, 8471, 10202, 10449, 10638, 15303, 15957, 16942, 20898, 25413, 30606, 31914, 45909, 47871, 50826, 76239, 91818, 95742, 137727, 152478, 219343, 228717, 275454, 413181, 438686, 457434, 658029, 686151, 826362, 1004897, 1239543, 1316058, 1372302, 1974087, 2009794, 2058453, 2479086, 3014691, 3948174, 4116906, 5922261, 6029382, 9044073, 11844522, 17766783, 18088146, 27132219, 35533566, 43210571, 53300349, 54264438, 81396657, 86421142, 106600698, 129631713, 162793314, 244189971, 259263426, 388895139, 488379942, 777790278, 1166685417, 2333370834, 3500056251, 7000112502, 10500168753, 21000337506]

約数ペア:

[(1, 21000337506), (2, 10500168753), (3, 7000112502), (6, 3500056251), (9, 2333370834), (18, 1166685417), (27, 777790278), (43, 488379942), (54, 388895139), (81, 259263426), (86, 244189971), (129, 162793314), (162, 129631713), (197, 106600698), (243, 86421142), (258, 81396657), (387, 54264438), (394, 53300349), (486, 43210571), (591, 35533566), (774, 27132219), (1161, 18088146), (1182, 17766783), (1773, 11844522), (2322, 9044073), (3483, 6029382), (3546, 5922261), (5101, 4116906), (5319, 3948174), (6966, 3014691), (8471, 2479086), (10202, 2058453), (10449, 2009794), (10638, 1974087), (15303, 1372302), (15957, 1316058), (16942, 1239543), (20898, 1004897), (25413, 826362), (30606, 686151), (31914, 658029), (45909, 457434), (47871, 438686), (50826, 413181), (76239, 275454), (91818, 228717), (95742, 219343), (137727, 152478)]