21336240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4679}}^1$

素因数の和:4714

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 48302160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4679, 9358, 14037, 18716, 23395, 28074, 37432, 46790, 56148, 70185, 74864, 88901, 93580, 112296, 140370, 177802, 187160, 224592, 266703, 280740, 355604, 374320, 444505, 533406, 561480, 711208, 889010, 1066812, 1122960, 1333515, 1422416, 1778020, 2133624, 2667030, 3556040, 4267248, 5334060, 7112080, 10668120, 21336240]

約数ペア:

[(1, 21336240), (2, 10668120), (3, 7112080), (4, 5334060), (5, 4267248), (6, 3556040), (8, 2667030), (10, 2133624), (12, 1778020), (15, 1422416), (16, 1333515), (19, 1122960), (20, 1066812), (24, 889010), (30, 711208), (38, 561480), (40, 533406), (48, 444505), (57, 374320), (60, 355604), (76, 280740), (80, 266703), (95, 224592), (114, 187160), (120, 177802), (152, 140370), (190, 112296), (228, 93580), (240, 88901), (285, 74864), (304, 70185), (380, 56148), (456, 46790), (570, 37432), (760, 28074), (912, 23395), (1140, 18716), (1520, 14037), (2280, 9358), (4560, 4679)]