21740208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 43255632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 89, 112, 168, 178, 267, 336, 356, 534, 623, 712, 727, 1068, 1246, 1424, 1454, 1869, 2136, 2181, 2492, 2908, 3738, 4272, 4362, 4984, 5089, 5816, 7476, 8724, 9968, 10178, 11632, 14952, 15267, 17448, 20356, 29904, 30534, 34896, 40712, 61068, 64703, 81424, 122136, 129406, 194109, 244272, 258812, 388218, 452921, 517624, 776436, 905842, 1035248, 1358763, 1552872, 1811684, 2717526, 3105744, 3623368, 5435052, 7246736, 10870104, 21740208]

約数ペア:

[(1, 21740208), (2, 10870104), (3, 7246736), (4, 5435052), (6, 3623368), (7, 3105744), (8, 2717526), (12, 1811684), (14, 1552872), (16, 1358763), (21, 1035248), (24, 905842), (28, 776436), (42, 517624), (48, 452921), (56, 388218), (84, 258812), (89, 244272), (112, 194109), (168, 129406), (178, 122136), (267, 81424), (336, 64703), (356, 61068), (534, 40712), (623, 34896), (712, 30534), (727, 29904), (1068, 20356), (1246, 17448), (1424, 15267), (1454, 14952), (1869, 11632), (2136, 10178), (2181, 9968), (2492, 8724), (2908, 7476), (3738, 5816), (4272, 5089), (4362, 4984)]