21192944520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{263201}}^1$

素因数の和:263287

約数の個数: 128

約数和(自身を含む): 70496023680

約数和(自身を除く): 49303079160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 1220, 1320, 1342, 1464, 1830, 2013, 2440, 2684, 3355, 3660, 4026, 5368, 6710, 7320, 8052, 10065, 13420, 16104, 20130, 26840, 40260, 80520, 263201, 526402, 789603, 1052804, 1316005, 1579206, 2105608, 2632010, 2895211, 3158412, 3948015, 5264020, 5790422, 6316824, 7896030, 8685633, 10528040, 11580844, 14476055, 15792060, 16055261, 17371266, 23161688, 28952110, 31584120, 32110522, 34742532, 43428165, 48165783, 57904220, 64221044, 69485064, 80276305, 86856330, 96331566, 115808440, 128442088, 160552610, 173712660, 176607871, 192663132, 240828915, 321105220, 347425320, 353215742, 385326264, 481657830, 529823613, 642210440, 706431484, 883039355, 963315660, 1059647226, 1412862968, 1766078710, 1926631320, 2119294452, 2649118065, 3532157420, 4238588904, 5298236130, 7064314840, 10596472260, 21192944520]

約数ペア:

[(1, 21192944520), (2, 10596472260), (3, 7064314840), (4, 5298236130), (5, 4238588904), (6, 3532157420), (8, 2649118065), (10, 2119294452), (11, 1926631320), (12, 1766078710), (15, 1412862968), (20, 1059647226), (22, 963315660), (24, 883039355), (30, 706431484), (33, 642210440), (40, 529823613), (44, 481657830), (55, 385326264), (60, 353215742), (61, 347425320), (66, 321105220), (88, 240828915), (110, 192663132), (120, 176607871), (122, 173712660), (132, 160552610), (165, 128442088), (183, 115808440), (220, 96331566), (244, 86856330), (264, 80276305), (305, 69485064), (330, 64221044), (366, 57904220), (440, 48165783), (488, 43428165), (610, 34742532), (660, 32110522), (671, 31584120), (732, 28952110), (915, 23161688), (1220, 17371266), (1320, 16055261), (1342, 15792060), (1464, 14476055), (1830, 11580844), (2013, 10528040), (2440, 8685633), (2684, 7896030), (3355, 6316824), (3660, 5790422), (4026, 5264020), (5368, 3948015), (6710, 3158412), (7320, 2895211), (8052, 2632010), (10065, 2105608), (13420, 1579206), (16104, 1316005), (20130, 1052804), (26840, 789603), (40260, 526402), (80520, 263201)]