21328306440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3627263}}^1$

素因数の和:3627291

約数の個数: 96

約数和(自身を含む): 74431457280

約数和(自身を除く): 53103150840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 3627263, 7254526, 10881789, 14509052, 18136315, 21763578, 25390841, 29018104, 36272630, 43527156, 50781682, 54408945, 72545260, 76172523, 87054312, 101563364, 108817890, 126954205, 145090520, 152345046, 177735887, 203126728, 217635780, 253908410, 304690092, 355471774, 380862615, 435271560, 507816820, 533207661, 609380184, 710943548, 761725230, 888679435, 1015633640, 1066415322, 1421887096, 1523450460, 1777358870, 2132830644, 2666038305, 3046900920, 3554717740, 4265661288, 5332076610, 7109435480, 10664153220, 21328306440]

約数ペア:

[(1, 21328306440), (2, 10664153220), (3, 7109435480), (4, 5332076610), (5, 4265661288), (6, 3554717740), (7, 3046900920), (8, 2666038305), (10, 2132830644), (12, 1777358870), (14, 1523450460), (15, 1421887096), (20, 1066415322), (21, 1015633640), (24, 888679435), (28, 761725230), (30, 710943548), (35, 609380184), (40, 533207661), (42, 507816820), (49, 435271560), (56, 380862615), (60, 355471774), (70, 304690092), (84, 253908410), (98, 217635780), (105, 203126728), (120, 177735887), (140, 152345046), (147, 145090520), (168, 126954205), (196, 108817890), (210, 101563364), (245, 87054312), (280, 76172523), (294, 72545260), (392, 54408945), (420, 50781682), (490, 43527156), (588, 36272630), (735, 29018104), (840, 25390841), (980, 21763578), (1176, 18136315), (1470, 14509052), (1960, 10881789), (2940, 7254526), (5880, 3627263)]