21800604668

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{2039}}^1\times {\mathrm{25951}}^1$

素因数の和:28097

約数の個数: 24

約数和(自身を含む): 38541834240

約数和(自身を除く): 16741229572

約数列:

[1, 2, 4, 103, 206, 412, 2039, 4078, 8156, 25951, 51902, 103804, 210017, 420034, 840068, 2672953, 5345906, 10691812, 52914089, 105828178, 211656356, 5450151167, 10900302334, 21800604668]

約数ペア:

[(1, 21800604668), (2, 10900302334), (4, 5450151167), (103, 211656356), (206, 105828178), (412, 52914089), (2039, 10691812), (4078, 5345906), (8156, 2672953), (25951, 840068), (51902, 420034), (103804, 210017)]