21496296

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 40711704

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 47, 51, 57, 59, 68, 76, 94, 102, 114, 118, 136, 141, 152, 177, 188, 204, 228, 236, 282, 323, 354, 376, 408, 456, 472, 564, 646, 708, 799, 893, 969, 1003, 1121, 1128, 1292, 1416, 1598, 1786, 1938, 2006, 2242, 2397, 2584, 2679, 2773, 3009, 3196, 3363, 3572, 3876, 4012, 4484, 4794, 5358, 5546, 6018, 6392, 6726, 7144, 7752, 8024, 8319, 8968, 9588, 10716, 11092, 12036, 13452, 15181, 16638, 19057, 19176, 21432, 22184, 24072, 26904, 30362, 33276, 38114, 45543, 47141, 52687, 57171, 60724, 66552, 76228, 91086, 94282, 105374, 114342, 121448, 141423, 152456, 158061, 182172, 188564, 210748, 228684, 282846, 316122, 364344, 377128, 421496, 457368, 565692, 632244, 895679, 1131384, 1264488, 1791358, 2687037, 3582716, 5374074, 7165432, 10748148, 21496296]

約数ペア:

[(1, 21496296), (2, 10748148), (3, 7165432), (4, 5374074), (6, 3582716), (8, 2687037), (12, 1791358), (17, 1264488), (19, 1131384), (24, 895679), (34, 632244), (38, 565692), (47, 457368), (51, 421496), (57, 377128), (59, 364344), (68, 316122), (76, 282846), (94, 228684), (102, 210748), (114, 188564), (118, 182172), (136, 158061), (141, 152456), (152, 141423), (177, 121448), (188, 114342), (204, 105374), (228, 94282), (236, 91086), (282, 76228), (323, 66552), (354, 60724), (376, 57171), (408, 52687), (456, 47141), (472, 45543), (564, 38114), (646, 33276), (708, 30362), (799, 26904), (893, 24072), (969, 22184), (1003, 21432), (1121, 19176), (1128, 19057), (1292, 16638), (1416, 15181), (1598, 13452), (1786, 12036), (1938, 11092), (2006, 10716), (2242, 9588), (2397, 8968), (2584, 8319), (2679, 8024), (2773, 7752), (3009, 7144), (3196, 6726), (3363, 6392), (3572, 6018), (3876, 5546), (4012, 5358), (4484, 4794)]