21877968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 71424000

約数和(自身を除く): 49546032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 38, 42, 46, 48, 56, 57, 69, 76, 84, 92, 112, 114, 133, 138, 149, 152, 161, 168, 184, 228, 266, 276, 298, 304, 322, 336, 368, 399, 437, 447, 456, 483, 532, 552, 596, 644, 798, 874, 894, 912, 966, 1043, 1064, 1104, 1192, 1288, 1311, 1596, 1748, 1788, 1932, 2086, 2128, 2384, 2576, 2622, 2831, 3059, 3129, 3192, 3427, 3496, 3576, 3864, 4172, 5244, 5662, 6118, 6258, 6384, 6854, 6992, 7152, 7728, 8344, 8493, 9177, 10281, 10488, 11324, 12236, 12516, 13708, 16688, 16986, 18354, 19817, 20562, 20976, 22648, 23989, 24472, 25032, 27416, 33972, 36708, 39634, 41124, 45296, 47978, 48944, 50064, 54832, 59451, 65113, 67944, 71967, 73416, 79268, 82248, 95956, 118902, 130226, 135888, 143934, 146832, 158536, 164496, 191912, 195339, 237804, 260452, 287868, 317072, 383824, 390678, 455791, 475608, 520904, 575736, 781356, 911582, 951216, 1041808, 1151472, 1367373, 1562712, 1823164, 2734746, 3125424, 3646328, 5469492, 7292656, 10938984, 21877968]

約数ペア:

[(1, 21877968), (2, 10938984), (3, 7292656), (4, 5469492), (6, 3646328), (7, 3125424), (8, 2734746), (12, 1823164), (14, 1562712), (16, 1367373), (19, 1151472), (21, 1041808), (23, 951216), (24, 911582), (28, 781356), (38, 575736), (42, 520904), (46, 475608), (48, 455791), (56, 390678), (57, 383824), (69, 317072), (76, 287868), (84, 260452), (92, 237804), (112, 195339), (114, 191912), (133, 164496), (138, 158536), (149, 146832), (152, 143934), (161, 135888), (168, 130226), (184, 118902), (228, 95956), (266, 82248), (276, 79268), (298, 73416), (304, 71967), (322, 67944), (336, 65113), (368, 59451), (399, 54832), (437, 50064), (447, 48944), (456, 47978), (483, 45296), (532, 41124), (552, 39634), (596, 36708), (644, 33972), (798, 27416), (874, 25032), (894, 24472), (912, 23989), (966, 22648), (1043, 20976), (1064, 20562), (1104, 19817), (1192, 18354), (1288, 16986), (1311, 16688), (1596, 13708), (1748, 12516), (1788, 12236), (1932, 11324), (2086, 10488), (2128, 10281), (2384, 9177), (2576, 8493), (2622, 8344), (2831, 7728), (3059, 7152), (3129, 6992), (3192, 6854), (3427, 6384), (3496, 6258), (3576, 6118), (3864, 5662), (4172, 5244)]