21242559968

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11689}}^1$

素因数の和:11793

約数の個数: 144

約数和(自身を含む): 52053699600

約数和(自身を除く): 30811139632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 61, 76, 98, 112, 122, 133, 152, 196, 224, 244, 266, 304, 392, 427, 488, 532, 608, 784, 854, 931, 976, 1064, 1159, 1568, 1708, 1862, 1952, 2128, 2318, 2989, 3416, 3724, 4256, 4636, 5978, 6832, 7448, 8113, 9272, 11689, 11956, 13664, 14896, 16226, 18544, 23378, 23912, 29792, 32452, 37088, 46756, 47824, 56791, 64904, 81823, 93512, 95648, 113582, 129808, 163646, 187024, 222091, 227164, 259616, 327292, 374048, 444182, 454328, 572761, 654584, 713029, 888364, 908656, 1145522, 1309168, 1426058, 1554637, 1776728, 1817312, 2291044, 2618336, 2852116, 3109274, 3553456, 4582088, 4991203, 5704232, 6218548, 7106912, 9164176, 9982406, 10882459, 11408464, 12437096, 13547551, 18328352, 19964812, 21764918, 22816928, 24874192, 27095102, 34938421, 39929624, 43529836, 49748384, 54190204, 69876842, 79859248, 87059672, 94832857, 108380408, 139753684, 159718496, 174119344, 189665714, 216760816, 279507368, 348238688, 379331428, 433521632, 559014736, 663829999, 758662856, 1118029472, 1327659998, 1517325712, 2655319996, 3034651424, 5310639992, 10621279984, 21242559968]

約数ペア:

[(1, 21242559968), (2, 10621279984), (4, 5310639992), (7, 3034651424), (8, 2655319996), (14, 1517325712), (16, 1327659998), (19, 1118029472), (28, 758662856), (32, 663829999), (38, 559014736), (49, 433521632), (56, 379331428), (61, 348238688), (76, 279507368), (98, 216760816), (112, 189665714), (122, 174119344), (133, 159718496), (152, 139753684), (196, 108380408), (224, 94832857), (244, 87059672), (266, 79859248), (304, 69876842), (392, 54190204), (427, 49748384), (488, 43529836), (532, 39929624), (608, 34938421), (784, 27095102), (854, 24874192), (931, 22816928), (976, 21764918), (1064, 19964812), (1159, 18328352), (1568, 13547551), (1708, 12437096), (1862, 11408464), (1952, 10882459), (2128, 9982406), (2318, 9164176), (2989, 7106912), (3416, 6218548), (3724, 5704232), (4256, 4991203), (4636, 4582088), (5978, 3553456), (6832, 3109274), (7448, 2852116), (8113, 2618336), (9272, 2291044), (11689, 1817312), (11956, 1776728), (13664, 1554637), (14896, 1426058), (16226, 1309168), (18544, 1145522), (23378, 908656), (23912, 888364), (29792, 713029), (32452, 654584), (37088, 572761), (46756, 454328), (47824, 444182), (56791, 374048), (64904, 327292), (81823, 259616), (93512, 227164), (95648, 222091), (113582, 187024), (129808, 163646)]