21686448

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 69836800

約数和(自身を除く): 48150352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 43, 48, 56, 57, 76, 79, 84, 86, 112, 114, 129, 133, 152, 158, 168, 172, 228, 237, 258, 266, 301, 304, 316, 336, 344, 399, 456, 474, 516, 532, 553, 602, 632, 688, 798, 817, 903, 912, 948, 1032, 1064, 1106, 1204, 1264, 1501, 1596, 1634, 1659, 1806, 1896, 2064, 2128, 2212, 2408, 2451, 3002, 3192, 3268, 3318, 3397, 3612, 3792, 4424, 4503, 4816, 4902, 5719, 6004, 6384, 6536, 6636, 6794, 7224, 8848, 9006, 9804, 10191, 10507, 11438, 12008, 13072, 13272, 13588, 14448, 17157, 18012, 19608, 20382, 21014, 22876, 23779, 24016, 26544, 27176, 31521, 34314, 36024, 39216, 40764, 42028, 45752, 47558, 54352, 63042, 64543, 68628, 71337, 72048, 81528, 84056, 91504, 95116, 126084, 129086, 137256, 142674, 163056, 168112, 190232, 193629, 252168, 258172, 274512, 285348, 380464, 387258, 451801, 504336, 516344, 570696, 774516, 903602, 1032688, 1141392, 1355403, 1549032, 1807204, 2710806, 3098064, 3614408, 5421612, 7228816, 10843224, 21686448]

約数ペア:

[(1, 21686448), (2, 10843224), (3, 7228816), (4, 5421612), (6, 3614408), (7, 3098064), (8, 2710806), (12, 1807204), (14, 1549032), (16, 1355403), (19, 1141392), (21, 1032688), (24, 903602), (28, 774516), (38, 570696), (42, 516344), (43, 504336), (48, 451801), (56, 387258), (57, 380464), (76, 285348), (79, 274512), (84, 258172), (86, 252168), (112, 193629), (114, 190232), (129, 168112), (133, 163056), (152, 142674), (158, 137256), (168, 129086), (172, 126084), (228, 95116), (237, 91504), (258, 84056), (266, 81528), (301, 72048), (304, 71337), (316, 68628), (336, 64543), (344, 63042), (399, 54352), (456, 47558), (474, 45752), (516, 42028), (532, 40764), (553, 39216), (602, 36024), (632, 34314), (688, 31521), (798, 27176), (817, 26544), (903, 24016), (912, 23779), (948, 22876), (1032, 21014), (1064, 20382), (1106, 19608), (1204, 18012), (1264, 17157), (1501, 14448), (1596, 13588), (1634, 13272), (1659, 13072), (1806, 12008), (1896, 11438), (2064, 10507), (2128, 10191), (2212, 9804), (2408, 9006), (2451, 8848), (3002, 7224), (3192, 6794), (3268, 6636), (3318, 6536), (3397, 6384), (3612, 6004), (3792, 5719), (4424, 4902), (4503, 4816)]