21924840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 77045760

約数和(自身を除く): 55120920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 607, 645, 840, 860, 903, 1032, 1204, 1214, 1290, 1505, 1720, 1806, 1821, 2408, 2428, 2580, 3010, 3035, 3612, 3642, 4249, 4515, 4856, 5160, 6020, 6070, 7224, 7284, 8498, 9030, 9105, 12040, 12140, 12747, 14568, 16996, 18060, 18210, 21245, 24280, 25494, 26101, 33992, 36120, 36420, 42490, 50988, 52202, 63735, 72840, 78303, 84980, 101976, 104404, 127470, 130505, 156606, 169960, 182707, 208808, 254940, 261010, 313212, 365414, 391515, 509880, 522020, 548121, 626424, 730828, 783030, 913535, 1044040, 1096242, 1461656, 1566060, 1827070, 2192484, 2740605, 3132120, 3654140, 4384968, 5481210, 7308280, 10962420, 21924840]

約数ペア:

[(1, 21924840), (2, 10962420), (3, 7308280), (4, 5481210), (5, 4384968), (6, 3654140), (7, 3132120), (8, 2740605), (10, 2192484), (12, 1827070), (14, 1566060), (15, 1461656), (20, 1096242), (21, 1044040), (24, 913535), (28, 783030), (30, 730828), (35, 626424), (40, 548121), (42, 522020), (43, 509880), (56, 391515), (60, 365414), (70, 313212), (84, 261010), (86, 254940), (105, 208808), (120, 182707), (129, 169960), (140, 156606), (168, 130505), (172, 127470), (210, 104404), (215, 101976), (258, 84980), (280, 78303), (301, 72840), (344, 63735), (420, 52202), (430, 50988), (516, 42490), (602, 36420), (607, 36120), (645, 33992), (840, 26101), (860, 25494), (903, 24280), (1032, 21245), (1204, 18210), (1214, 18060), (1290, 16996), (1505, 14568), (1720, 12747), (1806, 12140), (1821, 12040), (2408, 9105), (2428, 9030), (2580, 8498), (3010, 7284), (3035, 7224), (3612, 6070), (3642, 6020), (4249, 5160), (4515, 4856)]