21577752

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 71089920

約数和(自身を除く): 49512168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 67, 71, 72, 81, 84, 108, 126, 134, 142, 162, 168, 189, 201, 213, 216, 252, 268, 284, 324, 378, 402, 426, 469, 497, 504, 536, 567, 568, 603, 639, 648, 756, 804, 852, 938, 994, 1134, 1206, 1278, 1407, 1491, 1512, 1608, 1704, 1809, 1876, 1917, 1988, 2268, 2412, 2556, 2814, 2982, 3618, 3752, 3834, 3976, 4221, 4473, 4536, 4757, 4824, 5112, 5427, 5628, 5751, 5964, 7236, 7668, 8442, 8946, 9514, 10854, 11256, 11502, 11928, 12663, 13419, 14271, 14472, 15336, 16884, 17892, 19028, 21708, 23004, 25326, 26838, 28542, 33299, 33768, 35784, 37989, 38056, 40257, 42813, 43416, 46008, 50652, 53676, 57084, 66598, 75978, 80514, 85626, 99897, 101304, 107352, 114168, 128439, 133196, 151956, 161028, 171252, 199794, 256878, 266392, 299691, 303912, 322056, 342504, 385317, 399588, 513756, 599382, 770634, 799176, 899073, 1027512, 1198764, 1541268, 1798146, 2397528, 2697219, 3082536, 3596292, 5394438, 7192584, 10788876, 21577752]

約数ペア:

[(1, 21577752), (2, 10788876), (3, 7192584), (4, 5394438), (6, 3596292), (7, 3082536), (8, 2697219), (9, 2397528), (12, 1798146), (14, 1541268), (18, 1198764), (21, 1027512), (24, 899073), (27, 799176), (28, 770634), (36, 599382), (42, 513756), (54, 399588), (56, 385317), (63, 342504), (67, 322056), (71, 303912), (72, 299691), (81, 266392), (84, 256878), (108, 199794), (126, 171252), (134, 161028), (142, 151956), (162, 133196), (168, 128439), (189, 114168), (201, 107352), (213, 101304), (216, 99897), (252, 85626), (268, 80514), (284, 75978), (324, 66598), (378, 57084), (402, 53676), (426, 50652), (469, 46008), (497, 43416), (504, 42813), (536, 40257), (567, 38056), (568, 37989), (603, 35784), (639, 33768), (648, 33299), (756, 28542), (804, 26838), (852, 25326), (938, 23004), (994, 21708), (1134, 19028), (1206, 17892), (1278, 16884), (1407, 15336), (1491, 14472), (1512, 14271), (1608, 13419), (1704, 12663), (1809, 11928), (1876, 11502), (1917, 11256), (1988, 10854), (2268, 9514), (2412, 8946), (2556, 8442), (2814, 7668), (2982, 7236), (3618, 5964), (3752, 5751), (3834, 5628), (3976, 5427), (4221, 5112), (4473, 4824), (4536, 4757)]