21166320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:359

約数の個数: 160

約数和(自身を含む): 76995072

約数和(自身を除く): 55828752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 293, 301, 336, 344, 420, 430, 516, 560, 586, 602, 645, 688, 840, 860, 879, 903, 1032, 1172, 1204, 1290, 1465, 1505, 1680, 1720, 1758, 1806, 2051, 2064, 2344, 2408, 2580, 2930, 3010, 3440, 3516, 3612, 4102, 4395, 4515, 4688, 4816, 5160, 5860, 6020, 6153, 7032, 7224, 8204, 8790, 9030, 10255, 10320, 11720, 12040, 12306, 12599, 14064, 14448, 16408, 17580, 18060, 20510, 23440, 24080, 24612, 25198, 30765, 32816, 35160, 36120, 37797, 41020, 49224, 50396, 61530, 62995, 70320, 72240, 75594, 82040, 88193, 98448, 100792, 123060, 125990, 151188, 164080, 176386, 188985, 201584, 246120, 251980, 264579, 302376, 352772, 377970, 440965, 492240, 503960, 529158, 604752, 705544, 755940, 881930, 1007920, 1058316, 1322895, 1411088, 1511880, 1763860, 2116632, 2645790, 3023760, 3527720, 4233264, 5291580, 7055440, 10583160, 21166320]

約数ペア:

[(1, 21166320), (2, 10583160), (3, 7055440), (4, 5291580), (5, 4233264), (6, 3527720), (7, 3023760), (8, 2645790), (10, 2116632), (12, 1763860), (14, 1511880), (15, 1411088), (16, 1322895), (20, 1058316), (21, 1007920), (24, 881930), (28, 755940), (30, 705544), (35, 604752), (40, 529158), (42, 503960), (43, 492240), (48, 440965), (56, 377970), (60, 352772), (70, 302376), (80, 264579), (84, 251980), (86, 246120), (105, 201584), (112, 188985), (120, 176386), (129, 164080), (140, 151188), (168, 125990), (172, 123060), (210, 100792), (215, 98448), (240, 88193), (258, 82040), (280, 75594), (293, 72240), (301, 70320), (336, 62995), (344, 61530), (420, 50396), (430, 49224), (516, 41020), (560, 37797), (586, 36120), (602, 35160), (645, 32816), (688, 30765), (840, 25198), (860, 24612), (879, 24080), (903, 23440), (1032, 20510), (1172, 18060), (1204, 17580), (1290, 16408), (1465, 14448), (1505, 14064), (1680, 12599), (1720, 12306), (1758, 12040), (1806, 11720), (2051, 10320), (2064, 10255), (2344, 9030), (2408, 8790), (2580, 8204), (2930, 7224), (3010, 7032), (3440, 6153), (3516, 6020), (3612, 5860), (4102, 5160), (4395, 4816), (4515, 4688)]