21651762

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1307}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 47464704

約数和(自身を除く): 25812942

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 251, 502, 753, 1307, 1506, 2614, 2761, 3921, 5522, 7842, 8283, 14377, 16566, 28754, 43131, 86262, 328057, 656114, 984171, 1968342, 3608627, 7217254, 10825881, 21651762]

約数ペア:

[(1, 21651762), (2, 10825881), (3, 7217254), (6, 3608627), (11, 1968342), (22, 984171), (33, 656114), (66, 328057), (251, 86262), (502, 43131), (753, 28754), (1307, 16566), (1506, 14377), (2614, 8283), (2761, 7842), (3921, 5522)]