21185808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3709}}^1$

素因数の和:3744

約数の個数: 80

約数和(自身を含む): 66245760

約数和(自身を除く): 45059952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3709, 5712, 7418, 11127, 14836, 22254, 25963, 29672, 44508, 51926, 59344, 63053, 77889, 89016, 103852, 126106, 155778, 178032, 189159, 207704, 252212, 311556, 378318, 415408, 441371, 504424, 623112, 756636, 882742, 1008848, 1246224, 1324113, 1513272, 1765484, 2648226, 3026544, 3530968, 5296452, 7061936, 10592904, 21185808]

約数ペア:

[(1, 21185808), (2, 10592904), (3, 7061936), (4, 5296452), (6, 3530968), (7, 3026544), (8, 2648226), (12, 1765484), (14, 1513272), (16, 1324113), (17, 1246224), (21, 1008848), (24, 882742), (28, 756636), (34, 623112), (42, 504424), (48, 441371), (51, 415408), (56, 378318), (68, 311556), (84, 252212), (102, 207704), (112, 189159), (119, 178032), (136, 155778), (168, 126106), (204, 103852), (238, 89016), (272, 77889), (336, 63053), (357, 59344), (408, 51926), (476, 44508), (714, 29672), (816, 25963), (952, 22254), (1428, 14836), (1904, 11127), (2856, 7418), (3709, 5712)]