21782808

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 62112960

約数和(自身を除く): 40330152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 47, 72, 82, 94, 123, 141, 157, 164, 188, 246, 282, 314, 328, 369, 376, 423, 471, 492, 564, 628, 738, 846, 942, 984, 1128, 1256, 1413, 1476, 1692, 1884, 1927, 2826, 2952, 3384, 3768, 3854, 5652, 5781, 6437, 7379, 7708, 11304, 11562, 12874, 14758, 15416, 17343, 19311, 22137, 23124, 25748, 29516, 34686, 38622, 44274, 46248, 51496, 57933, 59032, 66411, 69372, 77244, 88548, 115866, 132822, 138744, 154488, 177096, 231732, 265644, 302539, 463464, 531288, 605078, 907617, 1210156, 1815234, 2420312, 2722851, 3630468, 5445702, 7260936, 10891404, 21782808]

約数ペア:

[(1, 21782808), (2, 10891404), (3, 7260936), (4, 5445702), (6, 3630468), (8, 2722851), (9, 2420312), (12, 1815234), (18, 1210156), (24, 907617), (36, 605078), (41, 531288), (47, 463464), (72, 302539), (82, 265644), (94, 231732), (123, 177096), (141, 154488), (157, 138744), (164, 132822), (188, 115866), (246, 88548), (282, 77244), (314, 69372), (328, 66411), (369, 59032), (376, 57933), (423, 51496), (471, 46248), (492, 44274), (564, 38622), (628, 34686), (738, 29516), (846, 25748), (942, 23124), (984, 22137), (1128, 19311), (1256, 17343), (1413, 15416), (1476, 14758), (1692, 12874), (1884, 11562), (1927, 11304), (2826, 7708), (2952, 7379), (3384, 6437), (3768, 5781), (3854, 5652)]