21325830960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1813421}}^1$

素因数の和:1813451

約数の個数: 120

約数和(自身を含む): 76903600176

約数和(自身を除く): 55577769216

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 1813421, 3626842, 5440263, 7253684, 9067105, 10880526, 12693947, 14507368, 18134210, 21761052, 25387894, 27201315, 29014736, 36268420, 38081841, 43522104, 50775788, 54402630, 63469735, 72536840, 76163682, 87044208, 88857629, 101551576, 108805260, 126939470, 145073680, 152327364, 177715258, 190409205, 203103152, 217610520, 253878940, 266572887, 304654728, 355430516, 380818410, 435221040, 444288145, 507757880, 533145774, 609309456, 710861032, 761636820, 888576290, 1015515760, 1066291548, 1332864435, 1421722064, 1523273640, 1777152580, 2132583096, 2665728870, 3046547280, 3554305160, 4265166192, 5331457740, 7108610320, 10662915480, 21325830960]

約数ペア:

[(1, 21325830960), (2, 10662915480), (3, 7108610320), (4, 5331457740), (5, 4265166192), (6, 3554305160), (7, 3046547280), (8, 2665728870), (10, 2132583096), (12, 1777152580), (14, 1523273640), (15, 1421722064), (16, 1332864435), (20, 1066291548), (21, 1015515760), (24, 888576290), (28, 761636820), (30, 710861032), (35, 609309456), (40, 533145774), (42, 507757880), (48, 444288145), (49, 435221040), (56, 380818410), (60, 355430516), (70, 304654728), (80, 266572887), (84, 253878940), (98, 217610520), (105, 203103152), (112, 190409205), (120, 177715258), (140, 152327364), (147, 145073680), (168, 126939470), (196, 108805260), (210, 101551576), (240, 88857629), (245, 87044208), (280, 76163682), (294, 72536840), (336, 63469735), (392, 54402630), (420, 50775788), (490, 43522104), (560, 38081841), (588, 36268420), (735, 29014736), (784, 27201315), (840, 25387894), (980, 21761052), (1176, 18134210), (1470, 14507368), (1680, 12693947), (1960, 10880526), (2352, 9067105), (2940, 7253684), (3920, 5440263), (5880, 3626842), (11760, 1813421)]