21327150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10937}}^1$

素因数の和:10965

約数の個数: 48

約数和(自身を含む): 56965104

約数和(自身を除く): 35637954

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10937, 21874, 32811, 54685, 65622, 109370, 142181, 164055, 273425, 284362, 328110, 426543, 546850, 710905, 820275, 853086, 1421810, 1640550, 2132715, 3554525, 4265430, 7109050, 10663575, 21327150]

約数ペア:

[(1, 21327150), (2, 10663575), (3, 7109050), (5, 4265430), (6, 3554525), (10, 2132715), (13, 1640550), (15, 1421810), (25, 853086), (26, 820275), (30, 710905), (39, 546850), (50, 426543), (65, 328110), (75, 284362), (78, 273425), (130, 164055), (150, 142181), (195, 109370), (325, 65622), (390, 54685), (650, 32811), (975, 21874), (1950, 10937)]