21422856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 69914880

約数和(自身を除く): 48492024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 51, 52, 56, 68, 78, 84, 91, 102, 104, 119, 136, 156, 168, 182, 204, 221, 238, 273, 312, 357, 364, 408, 442, 476, 546, 577, 663, 714, 728, 884, 952, 1092, 1154, 1326, 1428, 1547, 1731, 1768, 2184, 2308, 2652, 2856, 3094, 3462, 4039, 4616, 4641, 5304, 6188, 6924, 7501, 8078, 9282, 9809, 12117, 12376, 13848, 15002, 16156, 18564, 19618, 22503, 24234, 29427, 30004, 32312, 37128, 39236, 45006, 48468, 52507, 58854, 60008, 68663, 78472, 90012, 96936, 105014, 117708, 127517, 137326, 157521, 180024, 205989, 210028, 235416, 255034, 274652, 315042, 382551, 411978, 420056, 510068, 549304, 630084, 765102, 823956, 892619, 1020136, 1260168, 1530204, 1647912, 1785238, 2677857, 3060408, 3570476, 5355714, 7140952, 10711428, 21422856]

約数ペア:

[(1, 21422856), (2, 10711428), (3, 7140952), (4, 5355714), (6, 3570476), (7, 3060408), (8, 2677857), (12, 1785238), (13, 1647912), (14, 1530204), (17, 1260168), (21, 1020136), (24, 892619), (26, 823956), (28, 765102), (34, 630084), (39, 549304), (42, 510068), (51, 420056), (52, 411978), (56, 382551), (68, 315042), (78, 274652), (84, 255034), (91, 235416), (102, 210028), (104, 205989), (119, 180024), (136, 157521), (156, 137326), (168, 127517), (182, 117708), (204, 105014), (221, 96936), (238, 90012), (273, 78472), (312, 68663), (357, 60008), (364, 58854), (408, 52507), (442, 48468), (476, 45006), (546, 39236), (577, 37128), (663, 32312), (714, 30004), (728, 29427), (884, 24234), (952, 22503), (1092, 19618), (1154, 18564), (1326, 16156), (1428, 15002), (1547, 13848), (1731, 12376), (1768, 12117), (2184, 9809), (2308, 9282), (2652, 8078), (2856, 7501), (3094, 6924), (3462, 6188), (4039, 5304), (4616, 4641)]