21607236

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1361}}^1$

素因数の和:1391

約数の個数: 90

約数和(自身を含む): 65755998

約数和(自身を除く): 44148762

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1361, 1764, 2268, 2646, 2722, 3969, 4083, 5292, 5444, 7938, 8166, 9527, 12249, 15876, 16332, 19054, 24498, 28581, 36747, 38108, 48996, 57162, 66689, 73494, 85743, 110241, 114324, 133378, 146988, 171486, 200067, 220482, 257229, 266756, 342972, 400134, 440964, 514458, 600201, 771687, 800268, 1028916, 1200402, 1543374, 1800603, 2400804, 3086748, 3601206, 5401809, 7202412, 10803618, 21607236]

約数ペア:

[(1, 21607236), (2, 10803618), (3, 7202412), (4, 5401809), (6, 3601206), (7, 3086748), (9, 2400804), (12, 1800603), (14, 1543374), (18, 1200402), (21, 1028916), (27, 800268), (28, 771687), (36, 600201), (42, 514458), (49, 440964), (54, 400134), (63, 342972), (81, 266756), (84, 257229), (98, 220482), (108, 200067), (126, 171486), (147, 146988), (162, 133378), (189, 114324), (196, 110241), (252, 85743), (294, 73494), (324, 66689), (378, 57162), (441, 48996), (567, 38108), (588, 36747), (756, 28581), (882, 24498), (1134, 19054), (1323, 16332), (1361, 15876), (1764, 12249), (2268, 9527), (2646, 8166), (2722, 7938), (3969, 5444), (4083, 5292)]