21950320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2102

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 39474320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2063, 2128, 2660, 4126, 5320, 8252, 10315, 10640, 14441, 16504, 20630, 28882, 33008, 39197, 41260, 57764, 72205, 78394, 82520, 115528, 144410, 156788, 165040, 195985, 231056, 274379, 288820, 313576, 391970, 548758, 577640, 627152, 783940, 1097516, 1155280, 1371895, 1567880, 2195032, 2743790, 3135760, 4390064, 5487580, 10975160, 21950320]

約数ペア:

[(1, 21950320), (2, 10975160), (4, 5487580), (5, 4390064), (7, 3135760), (8, 2743790), (10, 2195032), (14, 1567880), (16, 1371895), (19, 1155280), (20, 1097516), (28, 783940), (35, 627152), (38, 577640), (40, 548758), (56, 391970), (70, 313576), (76, 288820), (80, 274379), (95, 231056), (112, 195985), (133, 165040), (140, 156788), (152, 144410), (190, 115528), (266, 82520), (280, 78394), (304, 72205), (380, 57764), (532, 41260), (560, 39197), (665, 33008), (760, 28882), (1064, 20630), (1330, 16504), (1520, 14441), (2063, 10640), (2128, 10315), (2660, 8252), (4126, 5320)]