21920472

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 74280960

約数和(自身を除く): 52360488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 31, 36, 42, 46, 56, 61, 62, 63, 69, 72, 84, 92, 93, 122, 124, 126, 138, 161, 168, 183, 184, 186, 207, 217, 244, 248, 252, 276, 279, 322, 366, 372, 414, 427, 434, 483, 488, 504, 549, 552, 558, 644, 651, 713, 732, 744, 828, 854, 868, 966, 1098, 1116, 1281, 1288, 1302, 1403, 1426, 1449, 1464, 1656, 1708, 1736, 1891, 1932, 1953, 2139, 2196, 2232, 2562, 2604, 2806, 2852, 2898, 3416, 3782, 3843, 3864, 3906, 4209, 4278, 4392, 4991, 5124, 5208, 5612, 5673, 5704, 5796, 6417, 7564, 7686, 7812, 8418, 8556, 9821, 9982, 10248, 11224, 11346, 11592, 12627, 12834, 13237, 14973, 15128, 15372, 15624, 16836, 17019, 17112, 19642, 19964, 22692, 25254, 25668, 26474, 29463, 29946, 30744, 33672, 34038, 39284, 39711, 39928, 43493, 44919, 45384, 50508, 51336, 52948, 58926, 59892, 68076, 78568, 79422, 86986, 88389, 89838, 101016, 105896, 117852, 119133, 119784, 130479, 136152, 158844, 173972, 176778, 179676, 235704, 238266, 260958, 304451, 317688, 347944, 353556, 359352, 391437, 476532, 521916, 608902, 707112, 782874, 913353, 953064, 1043832, 1217804, 1565748, 1826706, 2435608, 2740059, 3131496, 3653412, 5480118, 7306824, 10960236, 21920472]

約数ペア:

[(1, 21920472), (2, 10960236), (3, 7306824), (4, 5480118), (6, 3653412), (7, 3131496), (8, 2740059), (9, 2435608), (12, 1826706), (14, 1565748), (18, 1217804), (21, 1043832), (23, 953064), (24, 913353), (28, 782874), (31, 707112), (36, 608902), (42, 521916), (46, 476532), (56, 391437), (61, 359352), (62, 353556), (63, 347944), (69, 317688), (72, 304451), (84, 260958), (92, 238266), (93, 235704), (122, 179676), (124, 176778), (126, 173972), (138, 158844), (161, 136152), (168, 130479), (183, 119784), (184, 119133), (186, 117852), (207, 105896), (217, 101016), (244, 89838), (248, 88389), (252, 86986), (276, 79422), (279, 78568), (322, 68076), (366, 59892), (372, 58926), (414, 52948), (427, 51336), (434, 50508), (483, 45384), (488, 44919), (504, 43493), (549, 39928), (552, 39711), (558, 39284), (644, 34038), (651, 33672), (713, 30744), (732, 29946), (744, 29463), (828, 26474), (854, 25668), (868, 25254), (966, 22692), (1098, 19964), (1116, 19642), (1281, 17112), (1288, 17019), (1302, 16836), (1403, 15624), (1426, 15372), (1449, 15128), (1464, 14973), (1656, 13237), (1708, 12834), (1736, 12627), (1891, 11592), (1932, 11346), (1953, 11224), (2139, 10248), (2196, 9982), (2232, 9821), (2562, 8556), (2604, 8418), (2806, 7812), (2852, 7686), (2898, 7564), (3416, 6417), (3782, 5796), (3843, 5704), (3864, 5673), (3906, 5612), (4209, 5208), (4278, 5124), (4392, 4991)]