21000359600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{90053}}^1$

素因数の和:90135

約数の個数: 120

約数和(自身を含む): 56079147312

約数和(自身を除く): 35078787712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 53, 55, 80, 88, 100, 106, 110, 176, 200, 212, 220, 265, 275, 400, 424, 440, 530, 550, 583, 848, 880, 1060, 1100, 1166, 1325, 2120, 2200, 2332, 2650, 2915, 4240, 4400, 4664, 5300, 5830, 9328, 10600, 11660, 14575, 21200, 23320, 29150, 46640, 58300, 90053, 116600, 180106, 233200, 360212, 450265, 720424, 900530, 990583, 1440848, 1801060, 1981166, 2251325, 3602120, 3962332, 4502650, 4772809, 4952915, 7204240, 7924664, 9005300, 9545618, 9905830, 15849328, 18010600, 19091236, 19811660, 23864045, 24764575, 36021200, 38182472, 39623320, 47728090, 49529150, 52500899, 76364944, 79246640, 95456180, 99058300, 105001798, 119320225, 190912360, 198116600, 210003596, 238640450, 262504495, 381824720, 396233200, 420007192, 477280900, 525008990, 840014384, 954561800, 1050017980, 1312522475, 1909123600, 2100035960, 2625044950, 4200071920, 5250089900, 10500179800, 21000359600]

約数ペア:

[(1, 21000359600), (2, 10500179800), (4, 5250089900), (5, 4200071920), (8, 2625044950), (10, 2100035960), (11, 1909123600), (16, 1312522475), (20, 1050017980), (22, 954561800), (25, 840014384), (40, 525008990), (44, 477280900), (50, 420007192), (53, 396233200), (55, 381824720), (80, 262504495), (88, 238640450), (100, 210003596), (106, 198116600), (110, 190912360), (176, 119320225), (200, 105001798), (212, 99058300), (220, 95456180), (265, 79246640), (275, 76364944), (400, 52500899), (424, 49529150), (440, 47728090), (530, 39623320), (550, 38182472), (583, 36021200), (848, 24764575), (880, 23864045), (1060, 19811660), (1100, 19091236), (1166, 18010600), (1325, 15849328), (2120, 9905830), (2200, 9545618), (2332, 9005300), (2650, 7924664), (2915, 7204240), (4240, 4952915), (4400, 4772809), (4664, 4502650), (5300, 3962332), (5830, 3602120), (9328, 2251325), (10600, 1981166), (11660, 1801060), (14575, 1440848), (21200, 990583), (23320, 900530), (29150, 720424), (46640, 450265), (58300, 360212), (90053, 233200), (116600, 180106)]