21708648

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 65738400

約数和(自身を除く): 44029752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 859, 936, 972, 1053, 1404, 1718, 1944, 2106, 2577, 2808, 3159, 3436, 4212, 5154, 6318, 6872, 7731, 8424, 10308, 11167, 12636, 15462, 20616, 22334, 23193, 25272, 30924, 33501, 44668, 46386, 61848, 67002, 69579, 89336, 92772, 100503, 134004, 139158, 185544, 201006, 208737, 268008, 278316, 301509, 402012, 417474, 556632, 603018, 804024, 834948, 904527, 1206036, 1669896, 1809054, 2412072, 2713581, 3618108, 5427162, 7236216, 10854324, 21708648]

約数ペア:

[(1, 21708648), (2, 10854324), (3, 7236216), (4, 5427162), (6, 3618108), (8, 2713581), (9, 2412072), (12, 1809054), (13, 1669896), (18, 1206036), (24, 904527), (26, 834948), (27, 804024), (36, 603018), (39, 556632), (52, 417474), (54, 402012), (72, 301509), (78, 278316), (81, 268008), (104, 208737), (108, 201006), (117, 185544), (156, 139158), (162, 134004), (216, 100503), (234, 92772), (243, 89336), (312, 69579), (324, 67002), (351, 61848), (468, 46386), (486, 44668), (648, 33501), (702, 30924), (859, 25272), (936, 23193), (972, 22334), (1053, 20616), (1404, 15462), (1718, 12636), (1944, 11167), (2106, 10308), (2577, 8424), (2808, 7731), (3159, 6872), (3436, 6318), (4212, 5154)]