21716748

素因数分解:

$2^2\times 3^4\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:804

約数の個数: 60

約数和(自身を含む): 57440152

約数和(自身を除く): 35723404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 97, 108, 162, 194, 291, 324, 388, 582, 691, 873, 1164, 1382, 1746, 2073, 2619, 2764, 3492, 4146, 5238, 6219, 7857, 8292, 10476, 12438, 15714, 18657, 24876, 31428, 37314, 55971, 67027, 74628, 111942, 134054, 201081, 223884, 268108, 402162, 603243, 804324, 1206486, 1809729, 2412972, 3619458, 5429187, 7238916, 10858374, 21716748]

約数ペア:

[(1, 21716748), (2, 10858374), (3, 7238916), (4, 5429187), (6, 3619458), (9, 2412972), (12, 1809729), (18, 1206486), (27, 804324), (36, 603243), (54, 402162), (81, 268108), (97, 223884), (108, 201081), (162, 134054), (194, 111942), (291, 74628), (324, 67027), (388, 55971), (582, 37314), (691, 31428), (873, 24876), (1164, 18657), (1382, 15714), (1746, 12438), (2073, 10476), (2619, 8292), (2764, 7857), (3492, 6219), (4146, 5238)]