21337550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1973

約数の個数: 48

約数和(自身を含む): 45278352

約数和(自身を除く): 23940802

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1931, 2210, 3862, 5525, 9655, 11050, 19310, 25103, 32827, 48275, 50206, 65654, 96550, 125515, 164135, 251030, 328270, 426751, 627575, 820675, 853502, 1255150, 1641350, 2133755, 4267510, 10668775, 21337550]

約数ペア:

[(1, 21337550), (2, 10668775), (5, 4267510), (10, 2133755), (13, 1641350), (17, 1255150), (25, 853502), (26, 820675), (34, 627575), (50, 426751), (65, 328270), (85, 251030), (130, 164135), (170, 125515), (221, 96550), (325, 65654), (425, 50206), (442, 48275), (650, 32827), (850, 25103), (1105, 19310), (1931, 11050), (2210, 9655), (3862, 5525)]