21862425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1319}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 19384935

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1319, 3315, 3957, 5525, 6595, 16575, 17147, 19785, 22423, 32975, 51441, 67269, 85735, 98925, 112115, 257205, 291499, 336345, 428675, 560575, 874497, 1286025, 1457495, 1681725, 4372485, 7287475, 21862425]

約数ペア:

[(1, 21862425), (3, 7287475), (5, 4372485), (13, 1681725), (15, 1457495), (17, 1286025), (25, 874497), (39, 560575), (51, 428675), (65, 336345), (75, 291499), (85, 257205), (195, 112115), (221, 98925), (255, 85735), (325, 67269), (425, 51441), (663, 32975), (975, 22423), (1105, 19785), (1275, 17147), (1319, 16575), (3315, 6595), (3957, 5525)]