21064104

素因数分解:

$2^3\times 3^3\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 38033496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 113, 216, 226, 339, 452, 678, 863, 904, 1017, 1356, 1726, 2034, 2589, 2712, 3051, 3452, 4068, 5178, 6102, 6904, 7767, 8136, 10356, 12204, 15534, 20712, 23301, 24408, 31068, 46602, 62136, 93204, 97519, 186408, 195038, 292557, 390076, 585114, 780152, 877671, 1170228, 1755342, 2340456, 2633013, 3510684, 5266026, 7021368, 10532052, 21064104]

約数ペア:

[(1, 21064104), (2, 10532052), (3, 7021368), (4, 5266026), (6, 3510684), (8, 2633013), (9, 2340456), (12, 1755342), (18, 1170228), (24, 877671), (27, 780152), (36, 585114), (54, 390076), (72, 292557), (108, 195038), (113, 186408), (216, 97519), (226, 93204), (339, 62136), (452, 46602), (678, 31068), (863, 24408), (904, 23301), (1017, 20712), (1356, 15534), (1726, 12204), (2034, 10356), (2589, 8136), (2712, 7767), (3051, 6904), (3452, 6102), (4068, 5178)]