21420672

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:650

約数の個数: 128

約数和(自身を含む): 70143360

約数和(自身を除く): 48722688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 384, 416, 448, 546, 613, 624, 672, 728, 832, 896, 1092, 1226, 1248, 1344, 1456, 1664, 1839, 2184, 2452, 2496, 2688, 2912, 3678, 4291, 4368, 4904, 4992, 5824, 7356, 7969, 8582, 8736, 9808, 11648, 12873, 14712, 15938, 17164, 17472, 19616, 23907, 25746, 29424, 31876, 34328, 34944, 39232, 47814, 51492, 55783, 58848, 63752, 68656, 78464, 95628, 102984, 111566, 117696, 127504, 137312, 167349, 191256, 205968, 223132, 235392, 255008, 274624, 334698, 382512, 411936, 446264, 510016, 549248, 669396, 765024, 823872, 892528, 1020032, 1338792, 1530048, 1647744, 1785056, 2677584, 3060096, 3570112, 5355168, 7140224, 10710336, 21420672]

約数ペア:

[(1, 21420672), (2, 10710336), (3, 7140224), (4, 5355168), (6, 3570112), (7, 3060096), (8, 2677584), (12, 1785056), (13, 1647744), (14, 1530048), (16, 1338792), (21, 1020032), (24, 892528), (26, 823872), (28, 765024), (32, 669396), (39, 549248), (42, 510016), (48, 446264), (52, 411936), (56, 382512), (64, 334698), (78, 274624), (84, 255008), (91, 235392), (96, 223132), (104, 205968), (112, 191256), (128, 167349), (156, 137312), (168, 127504), (182, 117696), (192, 111566), (208, 102984), (224, 95628), (273, 78464), (312, 68656), (336, 63752), (364, 58848), (384, 55783), (416, 51492), (448, 47814), (546, 39232), (613, 34944), (624, 34328), (672, 31876), (728, 29424), (832, 25746), (896, 23907), (1092, 19616), (1226, 17472), (1248, 17164), (1344, 15938), (1456, 14712), (1664, 12873), (1839, 11648), (2184, 9808), (2452, 8736), (2496, 8582), (2688, 7969), (2912, 7356), (3678, 5824), (4291, 4992), (4368, 4904)]