21541560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2017}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 65383200

約数和(自身を除く): 43841640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2017, 2136, 2670, 3560, 4034, 5340, 6051, 8068, 10085, 10680, 12102, 16136, 20170, 24204, 30255, 40340, 48408, 60510, 80680, 121020, 179513, 242040, 359026, 538539, 718052, 897565, 1077078, 1436104, 1795130, 2154156, 2692695, 3590260, 4308312, 5385390, 7180520, 10770780, 21541560]

約数ペア:

[(1, 21541560), (2, 10770780), (3, 7180520), (4, 5385390), (5, 4308312), (6, 3590260), (8, 2692695), (10, 2154156), (12, 1795130), (15, 1436104), (20, 1077078), (24, 897565), (30, 718052), (40, 538539), (60, 359026), (89, 242040), (120, 179513), (178, 121020), (267, 80680), (356, 60510), (445, 48408), (534, 40340), (712, 30255), (890, 24204), (1068, 20170), (1335, 16136), (1780, 12102), (2017, 10680), (2136, 10085), (2670, 8068), (3560, 6051), (4034, 5340)]