21246804

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 57493800

約数和(自身を除く): 36246996

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 149, 153, 204, 233, 298, 306, 447, 466, 596, 612, 699, 894, 932, 1341, 1398, 1788, 2097, 2533, 2682, 2796, 3961, 4194, 5066, 5364, 7599, 7922, 8388, 10132, 11883, 15198, 15844, 22797, 23766, 30396, 34717, 35649, 45594, 47532, 69434, 71298, 91188, 104151, 138868, 142596, 208302, 312453, 416604, 590189, 624906, 1180378, 1249812, 1770567, 2360756, 3541134, 5311701, 7082268, 10623402, 21246804]

約数ペア:

[(1, 21246804), (2, 10623402), (3, 7082268), (4, 5311701), (6, 3541134), (9, 2360756), (12, 1770567), (17, 1249812), (18, 1180378), (34, 624906), (36, 590189), (51, 416604), (68, 312453), (102, 208302), (149, 142596), (153, 138868), (204, 104151), (233, 91188), (298, 71298), (306, 69434), (447, 47532), (466, 45594), (596, 35649), (612, 34717), (699, 30396), (894, 23766), (932, 22797), (1341, 15844), (1398, 15198), (1788, 11883), (2097, 10132), (2533, 8388), (2682, 7922), (2796, 7599), (3961, 5364), (4194, 5066)]