21039341640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{92717}}^1$

素因数の和:92823

約数の個数: 128

約数和(自身を含む): 66222904320

約数和(自身を除く): 45183562680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 1220, 1240, 1464, 1830, 1860, 1891, 2440, 3660, 3720, 3782, 5673, 7320, 7564, 9455, 11346, 15128, 18910, 22692, 28365, 37820, 45384, 56730, 75640, 92717, 113460, 185434, 226920, 278151, 370868, 463585, 556302, 741736, 927170, 1112604, 1390755, 1854340, 2225208, 2781510, 2874227, 3708680, 5563020, 5655737, 5748454, 8622681, 11126040, 11311474, 11496908, 14371135, 16967211, 17245362, 22622948, 22993816, 28278685, 28742270, 33934422, 34490724, 43113405, 45245896, 56557370, 57484540, 67868844, 68981448, 84836055, 86226810, 113114740, 114969080, 135737688, 169672110, 172453620, 175327847, 226229480, 339344220, 344907240, 350655694, 525983541, 678688440, 701311388, 876639235, 1051967082, 1402622776, 1753278470, 2103934164, 2629917705, 3506556940, 4207868328, 5259835410, 7013113880, 10519670820, 21039341640]

約数ペア:

[(1, 21039341640), (2, 10519670820), (3, 7013113880), (4, 5259835410), (5, 4207868328), (6, 3506556940), (8, 2629917705), (10, 2103934164), (12, 1753278470), (15, 1402622776), (20, 1051967082), (24, 876639235), (30, 701311388), (31, 678688440), (40, 525983541), (60, 350655694), (61, 344907240), (62, 339344220), (93, 226229480), (120, 175327847), (122, 172453620), (124, 169672110), (155, 135737688), (183, 114969080), (186, 113114740), (244, 86226810), (248, 84836055), (305, 68981448), (310, 67868844), (366, 57484540), (372, 56557370), (465, 45245896), (488, 43113405), (610, 34490724), (620, 33934422), (732, 28742270), (744, 28278685), (915, 22993816), (930, 22622948), (1220, 17245362), (1240, 16967211), (1464, 14371135), (1830, 11496908), (1860, 11311474), (1891, 11126040), (2440, 8622681), (3660, 5748454), (3720, 5655737), (3782, 5563020), (5673, 3708680), (7320, 2874227), (7564, 2781510), (9455, 2225208), (11346, 1854340), (15128, 1390755), (18910, 1112604), (22692, 927170), (28365, 741736), (37820, 556302), (45384, 463585), (56730, 370868), (75640, 278151), (92717, 226920), (113460, 185434)]