21862288

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 29562992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 53, 56, 58, 106, 112, 116, 127, 203, 212, 232, 254, 371, 406, 424, 464, 508, 742, 812, 848, 889, 1016, 1484, 1537, 1624, 1778, 2032, 2968, 3074, 3248, 3556, 3683, 5936, 6148, 6731, 7112, 7366, 10759, 12296, 13462, 14224, 14732, 21518, 24592, 25781, 26924, 29464, 43036, 47117, 51562, 53848, 58928, 86072, 94234, 103124, 107696, 172144, 188468, 195199, 206248, 376936, 390398, 412496, 753872, 780796, 1366393, 1561592, 2732786, 3123184, 5465572, 10931144, 21862288]

約数ペア:

[(1, 21862288), (2, 10931144), (4, 5465572), (7, 3123184), (8, 2732786), (14, 1561592), (16, 1366393), (28, 780796), (29, 753872), (53, 412496), (56, 390398), (58, 376936), (106, 206248), (112, 195199), (116, 188468), (127, 172144), (203, 107696), (212, 103124), (232, 94234), (254, 86072), (371, 58928), (406, 53848), (424, 51562), (464, 47117), (508, 43036), (742, 29464), (812, 26924), (848, 25781), (889, 24592), (1016, 21518), (1484, 14732), (1537, 14224), (1624, 13462), (1778, 12296), (2032, 10759), (2968, 7366), (3074, 7112), (3248, 6731), (3556, 6148), (3683, 5936)]