21122160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 71995392

約数和(自身を除く): 50873232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 167, 170, 186, 204, 240, 248, 255, 272, 310, 334, 340, 372, 408, 465, 496, 501, 510, 527, 620, 668, 680, 744, 816, 835, 930, 1002, 1020, 1054, 1240, 1336, 1360, 1488, 1581, 1670, 1860, 2004, 2040, 2108, 2480, 2505, 2635, 2672, 2839, 3162, 3340, 3720, 4008, 4080, 4216, 5010, 5177, 5270, 5678, 6324, 6680, 7440, 7905, 8016, 8432, 8517, 10020, 10354, 10540, 11356, 12648, 13360, 14195, 15531, 15810, 17034, 20040, 20708, 21080, 22712, 25296, 25885, 28390, 31062, 31620, 34068, 40080, 41416, 42160, 42585, 45424, 51770, 56780, 62124, 63240, 68136, 77655, 82832, 85170, 88009, 103540, 113560, 124248, 126480, 136272, 155310, 170340, 176018, 207080, 227120, 248496, 264027, 310620, 340680, 352036, 414160, 440045, 528054, 621240, 681360, 704072, 880090, 1056108, 1242480, 1320135, 1408144, 1760180, 2112216, 2640270, 3520360, 4224432, 5280540, 7040720, 10561080, 21122160]

約数ペア:

[(1, 21122160), (2, 10561080), (3, 7040720), (4, 5280540), (5, 4224432), (6, 3520360), (8, 2640270), (10, 2112216), (12, 1760180), (15, 1408144), (16, 1320135), (17, 1242480), (20, 1056108), (24, 880090), (30, 704072), (31, 681360), (34, 621240), (40, 528054), (48, 440045), (51, 414160), (60, 352036), (62, 340680), (68, 310620), (80, 264027), (85, 248496), (93, 227120), (102, 207080), (120, 176018), (124, 170340), (136, 155310), (155, 136272), (167, 126480), (170, 124248), (186, 113560), (204, 103540), (240, 88009), (248, 85170), (255, 82832), (272, 77655), (310, 68136), (334, 63240), (340, 62124), (372, 56780), (408, 51770), (465, 45424), (496, 42585), (501, 42160), (510, 41416), (527, 40080), (620, 34068), (668, 31620), (680, 31062), (744, 28390), (816, 25885), (835, 25296), (930, 22712), (1002, 21080), (1020, 20708), (1054, 20040), (1240, 17034), (1336, 15810), (1360, 15531), (1488, 14195), (1581, 13360), (1670, 12648), (1860, 11356), (2004, 10540), (2040, 10354), (2108, 10020), (2480, 8517), (2505, 8432), (2635, 8016), (2672, 7905), (2839, 7440), (3162, 6680), (3340, 6324), (3720, 5678), (4008, 5270), (4080, 5177), (4216, 5010)]