21344904

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:784

約数の個数: 128

約数和(自身を含む): 71424000

約数和(自身を除く): 50079096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 743, 756, 798, 1026, 1064, 1197, 1368, 1486, 1512, 1596, 2052, 2229, 2394, 2972, 3192, 3591, 4104, 4458, 4788, 5201, 5944, 6687, 7182, 8916, 9576, 10402, 13374, 14117, 14364, 15603, 17832, 20061, 20804, 26748, 28234, 28728, 31206, 40122, 41608, 42351, 46809, 53496, 56468, 62412, 80244, 84702, 93618, 98819, 112936, 124824, 127053, 140427, 160488, 169404, 187236, 197638, 254106, 280854, 296457, 338808, 374472, 381159, 395276, 508212, 561708, 592914, 762318, 790552, 889371, 1016424, 1123416, 1185828, 1524636, 1778742, 2371656, 2668113, 3049272, 3557484, 5336226, 7114968, 10672452, 21344904]

約数ペア:

[(1, 21344904), (2, 10672452), (3, 7114968), (4, 5336226), (6, 3557484), (7, 3049272), (8, 2668113), (9, 2371656), (12, 1778742), (14, 1524636), (18, 1185828), (19, 1123416), (21, 1016424), (24, 889371), (27, 790552), (28, 762318), (36, 592914), (38, 561708), (42, 508212), (54, 395276), (56, 381159), (57, 374472), (63, 338808), (72, 296457), (76, 280854), (84, 254106), (108, 197638), (114, 187236), (126, 169404), (133, 160488), (152, 140427), (168, 127053), (171, 124824), (189, 112936), (216, 98819), (228, 93618), (252, 84702), (266, 80244), (342, 62412), (378, 56468), (399, 53496), (456, 46809), (504, 42351), (513, 41608), (532, 40122), (684, 31206), (743, 28728), (756, 28234), (798, 26748), (1026, 20804), (1064, 20061), (1197, 17832), (1368, 15603), (1486, 14364), (1512, 14117), (1596, 13374), (2052, 10402), (2229, 9576), (2394, 8916), (2972, 7182), (3192, 6687), (3591, 5944), (4104, 5201), (4458, 4788)]