21470904

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 74692800

約数和(自身を除く): 53221896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 29, 36, 39, 42, 52, 56, 58, 63, 72, 78, 84, 87, 91, 104, 113, 116, 117, 126, 156, 168, 174, 182, 203, 226, 232, 234, 252, 261, 273, 312, 339, 348, 364, 377, 406, 452, 468, 504, 522, 546, 609, 678, 696, 728, 754, 791, 812, 819, 904, 936, 1017, 1044, 1092, 1131, 1218, 1356, 1469, 1508, 1582, 1624, 1638, 1827, 2034, 2088, 2184, 2262, 2373, 2436, 2639, 2712, 2938, 3016, 3164, 3276, 3277, 3393, 3654, 4068, 4407, 4524, 4746, 4872, 5278, 5876, 6328, 6552, 6554, 6786, 7119, 7308, 7917, 8136, 8814, 9048, 9492, 9831, 10283, 10556, 11752, 13108, 13221, 13572, 14238, 14616, 15834, 17628, 18984, 19662, 20566, 21112, 22939, 23751, 26216, 26442, 27144, 28476, 29493, 30849, 31668, 35256, 39324, 41132, 42601, 45878, 47502, 52884, 56952, 58986, 61698, 63336, 68817, 78648, 82264, 85202, 91756, 92547, 95004, 105768, 117972, 123396, 127803, 137634, 170404, 183512, 185094, 190008, 206451, 235944, 246792, 255606, 275268, 298207, 340808, 370188, 383409, 412902, 511212, 550536, 596414, 740376, 766818, 825804, 894621, 1022424, 1192828, 1533636, 1651608, 1789242, 2385656, 2683863, 3067272, 3578484, 5367726, 7156968, 10735452, 21470904]

約数ペア:

[(1, 21470904), (2, 10735452), (3, 7156968), (4, 5367726), (6, 3578484), (7, 3067272), (8, 2683863), (9, 2385656), (12, 1789242), (13, 1651608), (14, 1533636), (18, 1192828), (21, 1022424), (24, 894621), (26, 825804), (28, 766818), (29, 740376), (36, 596414), (39, 550536), (42, 511212), (52, 412902), (56, 383409), (58, 370188), (63, 340808), (72, 298207), (78, 275268), (84, 255606), (87, 246792), (91, 235944), (104, 206451), (113, 190008), (116, 185094), (117, 183512), (126, 170404), (156, 137634), (168, 127803), (174, 123396), (182, 117972), (203, 105768), (226, 95004), (232, 92547), (234, 91756), (252, 85202), (261, 82264), (273, 78648), (312, 68817), (339, 63336), (348, 61698), (364, 58986), (377, 56952), (406, 52884), (452, 47502), (468, 45878), (504, 42601), (522, 41132), (546, 39324), (609, 35256), (678, 31668), (696, 30849), (728, 29493), (754, 28476), (791, 27144), (812, 26442), (819, 26216), (904, 23751), (936, 22939), (1017, 21112), (1044, 20566), (1092, 19662), (1131, 18984), (1218, 17628), (1356, 15834), (1469, 14616), (1508, 14238), (1582, 13572), (1624, 13221), (1638, 13108), (1827, 11752), (2034, 10556), (2088, 10283), (2184, 9831), (2262, 9492), (2373, 9048), (2436, 8814), (2639, 8136), (2712, 7917), (2938, 7308), (3016, 7119), (3164, 6786), (3276, 6554), (3277, 6552), (3393, 6328), (3654, 5876), (4068, 5278), (4407, 4872), (4524, 4746)]