21342636

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 66712800

約数和(自身を除く): 45370164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 49, 54, 63, 74, 84, 98, 108, 109, 111, 126, 147, 148, 189, 196, 218, 222, 252, 259, 294, 327, 333, 378, 436, 441, 444, 518, 588, 654, 666, 756, 763, 777, 882, 981, 999, 1036, 1308, 1323, 1332, 1526, 1554, 1764, 1813, 1962, 1998, 2289, 2331, 2646, 2943, 3052, 3108, 3626, 3924, 3996, 4033, 4578, 4662, 5292, 5341, 5439, 5886, 6867, 6993, 7252, 8066, 9156, 9324, 10682, 10878, 11772, 12099, 13734, 13986, 16023, 16132, 16317, 20601, 21364, 21756, 24198, 27468, 27972, 28231, 32046, 32634, 36297, 41202, 48069, 48396, 48951, 56462, 64092, 65268, 72594, 82404, 84693, 96138, 97902, 108891, 112924, 144207, 145188, 169386, 192276, 195804, 197617, 217782, 254079, 288414, 338772, 395234, 435564, 508158, 576828, 592851, 762237, 790468, 1016316, 1185702, 1524474, 1778553, 2371404, 3048948, 3557106, 5335659, 7114212, 10671318, 21342636]

約数ペア:

[(1, 21342636), (2, 10671318), (3, 7114212), (4, 5335659), (6, 3557106), (7, 3048948), (9, 2371404), (12, 1778553), (14, 1524474), (18, 1185702), (21, 1016316), (27, 790468), (28, 762237), (36, 592851), (37, 576828), (42, 508158), (49, 435564), (54, 395234), (63, 338772), (74, 288414), (84, 254079), (98, 217782), (108, 197617), (109, 195804), (111, 192276), (126, 169386), (147, 145188), (148, 144207), (189, 112924), (196, 108891), (218, 97902), (222, 96138), (252, 84693), (259, 82404), (294, 72594), (327, 65268), (333, 64092), (378, 56462), (436, 48951), (441, 48396), (444, 48069), (518, 41202), (588, 36297), (654, 32634), (666, 32046), (756, 28231), (763, 27972), (777, 27468), (882, 24198), (981, 21756), (999, 21364), (1036, 20601), (1308, 16317), (1323, 16132), (1332, 16023), (1526, 13986), (1554, 13734), (1764, 12099), (1813, 11772), (1962, 10878), (1998, 10682), (2289, 9324), (2331, 9156), (2646, 8066), (2943, 7252), (3052, 6993), (3108, 6867), (3626, 5886), (3924, 5439), (3996, 5341), (4033, 5292), (4578, 4662)]