21608244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4513}}^1$

素因数の和:4549

約数の個数: 72

約数和(自身を含む): 65723840

約数和(自身を除く): 44115596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4513, 4788, 9026, 13539, 18052, 27078, 31591, 40617, 54156, 63182, 81234, 85747, 94773, 126364, 162468, 171494, 189546, 257241, 284319, 342988, 379092, 514482, 568638, 600229, 771723, 1028964, 1137276, 1200458, 1543446, 1800687, 2400916, 3086892, 3601374, 5402061, 7202748, 10804122, 21608244]

約数ペア:

[(1, 21608244), (2, 10804122), (3, 7202748), (4, 5402061), (6, 3601374), (7, 3086892), (9, 2400916), (12, 1800687), (14, 1543446), (18, 1200458), (19, 1137276), (21, 1028964), (28, 771723), (36, 600229), (38, 568638), (42, 514482), (57, 379092), (63, 342988), (76, 284319), (84, 257241), (114, 189546), (126, 171494), (133, 162468), (171, 126364), (228, 94773), (252, 85747), (266, 81234), (342, 63182), (399, 54156), (532, 40617), (684, 31591), (798, 27078), (1197, 18052), (1596, 13539), (2394, 9026), (4513, 4788)]