21255072

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 39063648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 43, 48, 57, 76, 86, 96, 114, 129, 152, 172, 228, 258, 271, 304, 344, 456, 516, 542, 608, 688, 813, 817, 912, 1032, 1084, 1376, 1626, 1634, 1824, 2064, 2168, 2451, 3252, 3268, 4128, 4336, 4902, 5149, 6504, 6536, 8672, 9804, 10298, 11653, 13008, 13072, 15447, 19608, 20596, 23306, 26016, 26144, 30894, 34959, 39216, 41192, 46612, 61788, 69918, 78432, 82384, 93224, 123576, 139836, 164768, 186448, 221407, 247152, 279672, 372896, 442814, 494304, 559344, 664221, 885628, 1118688, 1328442, 1771256, 2656884, 3542512, 5313768, 7085024, 10627536, 21255072]

約数ペア:

[(1, 21255072), (2, 10627536), (3, 7085024), (4, 5313768), (6, 3542512), (8, 2656884), (12, 1771256), (16, 1328442), (19, 1118688), (24, 885628), (32, 664221), (38, 559344), (43, 494304), (48, 442814), (57, 372896), (76, 279672), (86, 247152), (96, 221407), (114, 186448), (129, 164768), (152, 139836), (172, 123576), (228, 93224), (258, 82384), (271, 78432), (304, 69918), (344, 61788), (456, 46612), (516, 41192), (542, 39216), (608, 34959), (688, 30894), (813, 26144), (817, 26016), (912, 23306), (1032, 20596), (1084, 19608), (1376, 15447), (1626, 13072), (1634, 13008), (1824, 11653), (2064, 10298), (2168, 9804), (2451, 8672), (3252, 6536), (3268, 6504), (4128, 5149), (4336, 4902)]