21416880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89237}}^1$

素因数の和:89253

約数の個数: 40

約数和(自身を含む): 66393072

約数和(自身を除く): 44976192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89237, 178474, 267711, 356948, 446185, 535422, 713896, 892370, 1070844, 1338555, 1427792, 1784740, 2141688, 2677110, 3569480, 4283376, 5354220, 7138960, 10708440, 21416880]

約数ペア:

[(1, 21416880), (2, 10708440), (3, 7138960), (4, 5354220), (5, 4283376), (6, 3569480), (8, 2677110), (10, 2141688), (12, 1784740), (15, 1427792), (16, 1338555), (20, 1070844), (24, 892370), (30, 713896), (40, 535422), (48, 446185), (60, 356948), (80, 267711), (120, 178474), (240, 89237)]