21365040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89021}}^1$

素因数の和:89037

約数の個数: 40

約数和(自身を含む): 66232368

約数和(自身を除く): 44867328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89021, 178042, 267063, 356084, 445105, 534126, 712168, 890210, 1068252, 1335315, 1424336, 1780420, 2136504, 2670630, 3560840, 4273008, 5341260, 7121680, 10682520, 21365040]

約数ペア:

[(1, 21365040), (2, 10682520), (3, 7121680), (4, 5341260), (5, 4273008), (6, 3560840), (8, 2670630), (10, 2136504), (12, 1780420), (15, 1424336), (16, 1335315), (20, 1068252), (24, 890210), (30, 712168), (40, 534126), (48, 445105), (60, 356084), (80, 267063), (120, 178042), (240, 89021)]