21416010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 65470464

約数和(自身を除く): 44054454

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 73, 77, 105, 110, 127, 146, 154, 165, 210, 219, 231, 254, 330, 365, 381, 385, 438, 462, 511, 635, 730, 762, 770, 803, 889, 1022, 1095, 1155, 1270, 1397, 1533, 1606, 1778, 1905, 2190, 2310, 2409, 2555, 2667, 2794, 3066, 3810, 4015, 4191, 4445, 4818, 5110, 5334, 5621, 6985, 7665, 8030, 8382, 8890, 9271, 9779, 11242, 12045, 13335, 13970, 15330, 16863, 18542, 19558, 20955, 24090, 26670, 27813, 28105, 29337, 33726, 41910, 46355, 48895, 55626, 56210, 58674, 64897, 84315, 92710, 97790, 101981, 129794, 139065, 146685, 168630, 194691, 203962, 278130, 293370, 305943, 324485, 389382, 509905, 611886, 648970, 713867, 973455, 1019810, 1427734, 1529715, 1946910, 2141601, 3059430, 3569335, 4283202, 7138670, 10708005, 21416010]

約数ペア:

[(1, 21416010), (2, 10708005), (3, 7138670), (5, 4283202), (6, 3569335), (7, 3059430), (10, 2141601), (11, 1946910), (14, 1529715), (15, 1427734), (21, 1019810), (22, 973455), (30, 713867), (33, 648970), (35, 611886), (42, 509905), (55, 389382), (66, 324485), (70, 305943), (73, 293370), (77, 278130), (105, 203962), (110, 194691), (127, 168630), (146, 146685), (154, 139065), (165, 129794), (210, 101981), (219, 97790), (231, 92710), (254, 84315), (330, 64897), (365, 58674), (381, 56210), (385, 55626), (438, 48895), (462, 46355), (511, 41910), (635, 33726), (730, 29337), (762, 28105), (770, 27813), (803, 26670), (889, 24090), (1022, 20955), (1095, 19558), (1155, 18542), (1270, 16863), (1397, 15330), (1533, 13970), (1606, 13335), (1778, 12045), (1905, 11242), (2190, 9779), (2310, 9271), (2409, 8890), (2555, 8382), (2667, 8030), (2794, 7665), (3066, 6985), (3810, 5621), (4015, 5334), (4191, 5110), (4445, 4818)]