21481488

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 69715776

約数和(自身を除く): 48234288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 101, 112, 126, 144, 168, 202, 211, 252, 303, 336, 404, 422, 504, 606, 633, 707, 808, 844, 909, 1008, 1212, 1266, 1414, 1477, 1616, 1688, 1818, 1899, 2121, 2424, 2532, 2828, 2954, 3376, 3636, 3798, 4242, 4431, 4848, 5064, 5656, 5908, 6363, 7272, 7596, 8484, 8862, 10128, 11312, 11816, 12726, 13293, 14544, 15192, 16968, 17724, 21311, 23632, 25452, 26586, 30384, 33936, 35448, 42622, 50904, 53172, 63933, 70896, 85244, 101808, 106344, 127866, 149177, 170488, 191799, 212688, 255732, 298354, 340976, 383598, 447531, 511464, 596708, 767196, 895062, 1022928, 1193416, 1342593, 1534392, 1790124, 2386832, 2685186, 3068784, 3580248, 5370372, 7160496, 10740744, 21481488]

約数ペア:

[(1, 21481488), (2, 10740744), (3, 7160496), (4, 5370372), (6, 3580248), (7, 3068784), (8, 2685186), (9, 2386832), (12, 1790124), (14, 1534392), (16, 1342593), (18, 1193416), (21, 1022928), (24, 895062), (28, 767196), (36, 596708), (42, 511464), (48, 447531), (56, 383598), (63, 340976), (72, 298354), (84, 255732), (101, 212688), (112, 191799), (126, 170488), (144, 149177), (168, 127866), (202, 106344), (211, 101808), (252, 85244), (303, 70896), (336, 63933), (404, 53172), (422, 50904), (504, 42622), (606, 35448), (633, 33936), (707, 30384), (808, 26586), (844, 25452), (909, 23632), (1008, 21311), (1212, 17724), (1266, 16968), (1414, 15192), (1477, 14544), (1616, 13293), (1688, 12726), (1818, 11816), (1899, 11312), (2121, 10128), (2424, 8862), (2532, 8484), (2828, 7596), (2954, 7272), (3376, 6363), (3636, 5908), (3798, 5656), (4242, 5064), (4431, 4848)]