21893207280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13031671}}^1$

素因数の和:13031694

約数の個数: 80

約数和(自身を含む): 77564511744

約数和(自身を除く): 55671304464

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, 13031671, 26063342, 39095013, 52126684, 65158355, 78190026, 91221697, 104253368, 130316710, 156380052, 182443394, 195475065, 208506736, 260633420, 273665091, 312760104, 364886788, 390950130, 456108485, 521266840, 547330182, 625520208, 729773576, 781900260, 912216970, 1042533680, 1094660364, 1368325455, 1459547152, 1563800520, 1824433940, 2189320728, 2736650910, 3127601040, 3648867880, 4378641456, 5473301820, 7297735760, 10946603640, 21893207280]

約数ペア:

[(1, 21893207280), (2, 10946603640), (3, 7297735760), (4, 5473301820), (5, 4378641456), (6, 3648867880), (7, 3127601040), (8, 2736650910), (10, 2189320728), (12, 1824433940), (14, 1563800520), (15, 1459547152), (16, 1368325455), (20, 1094660364), (21, 1042533680), (24, 912216970), (28, 781900260), (30, 729773576), (35, 625520208), (40, 547330182), (42, 521266840), (48, 456108485), (56, 390950130), (60, 364886788), (70, 312760104), (80, 273665091), (84, 260633420), (105, 208506736), (112, 195475065), (120, 182443394), (140, 156380052), (168, 130316710), (210, 104253368), (240, 91221697), (280, 78190026), (336, 65158355), (420, 52126684), (560, 39095013), (840, 26063342), (1680, 13031671)]