21413307950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{249427}}^1$

素因数の和:249557

約数の個数: 48

約数和(自身を含む): 42589332144

約数和(自身を除く): 21176024194

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 101, 170, 202, 425, 505, 850, 1010, 1717, 2525, 3434, 5050, 8585, 17170, 42925, 85850, 249427, 498854, 1247135, 2494270, 4240259, 6235675, 8480518, 12471350, 21201295, 25192127, 42402590, 50384254, 106006475, 125960635, 212012950, 251921270, 428266159, 629803175, 856532318, 1259606350, 2141330795, 4282661590, 10706653975, 21413307950]

約数ペア:

[(1, 21413307950), (2, 10706653975), (5, 4282661590), (10, 2141330795), (17, 1259606350), (25, 856532318), (34, 629803175), (50, 428266159), (85, 251921270), (101, 212012950), (170, 125960635), (202, 106006475), (425, 50384254), (505, 42402590), (850, 25192127), (1010, 21201295), (1717, 12471350), (2525, 8480518), (3434, 6235675), (5050, 4240259), (8585, 2494270), (17170, 1247135), (42925, 498854), (85850, 249427)]