21181128240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5191453}}^1$

素因数の和:5191486

約数の個数: 80

約数和(自身を含む): 69523951968

約数和(自身を除く): 48342823728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5191453, 10382906, 15574359, 20765812, 25957265, 31148718, 41531624, 51914530, 62297436, 77871795, 83063248, 88254701, 103829060, 124594872, 155743590, 176509402, 207658120, 249189744, 264764103, 311487180, 353018804, 415316240, 441273505, 529528206, 622974360, 706037608, 882547010, 1059056412, 1245948720, 1323820515, 1412075216, 1765094020, 2118112824, 2647641030, 3530188040, 4236225648, 5295282060, 7060376080, 10590564120, 21181128240]

約数ペア:

[(1, 21181128240), (2, 10590564120), (3, 7060376080), (4, 5295282060), (5, 4236225648), (6, 3530188040), (8, 2647641030), (10, 2118112824), (12, 1765094020), (15, 1412075216), (16, 1323820515), (17, 1245948720), (20, 1059056412), (24, 882547010), (30, 706037608), (34, 622974360), (40, 529528206), (48, 441273505), (51, 415316240), (60, 353018804), (68, 311487180), (80, 264764103), (85, 249189744), (102, 207658120), (120, 176509402), (136, 155743590), (170, 124594872), (204, 103829060), (240, 88254701), (255, 83063248), (272, 77871795), (340, 62297436), (408, 51914530), (510, 41531624), (680, 31148718), (816, 25957265), (1020, 20765812), (1360, 15574359), (2040, 10382906), (4080, 5191453)]