21878729040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13023053}}^1$

素因数の和:13023076

約数の個数: 80

約数和(自身を含む): 77513217408

約数和(自身を除く): 55634488368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 13023053, 26046106, 39069159, 52092212, 65115265, 78138318, 91161371, 104184424, 130230530, 156276636, 182322742, 195345795, 208368848, 260461060, 273484113, 312553272, 364645484, 390691590, 455806855, 520922120, 546968226, 625106544, 729290968, 781383180, 911613710, 1041844240, 1093936452, 1367420565, 1458581936, 1562766360, 1823227420, 2187872904, 2734841130, 3125532720, 3646454840, 4375745808, 5469682260, 7292909680, 10939364520, 21878729040]

約数ペア:

[(1, 21878729040), (2, 10939364520), (3, 7292909680), (4, 5469682260), (5, 4375745808), (6, 3646454840), (7, 3125532720), (8, 2734841130), (10, 2187872904), (12, 1823227420), (14, 1562766360), (15, 1458581936), (16, 1367420565), (20, 1093936452), (21, 1041844240), (24, 911613710), (28, 781383180), (30, 729290968), (35, 625106544), (40, 546968226), (42, 520922120), (48, 455806855), (56, 390691590), (60, 364645484), (70, 312553272), (80, 273484113), (84, 260461060), (105, 208368848), (112, 195345795), (120, 182322742), (140, 156276636), (168, 130230530), (210, 104184424), (240, 91161371), (280, 78138318), (336, 65115265), (420, 52092212), (560, 39069159), (840, 26046106), (1680, 13023053)]