21000751950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8235589}}^1$

素因数の和:8235621

約数の個数: 48

約数和(自身を含む): 55145510640

約数和(自身を除く): 34144758690

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8235589, 16471178, 24706767, 41177945, 49413534, 82355890, 123533835, 140005013, 205889725, 247067670, 280010026, 411779450, 420015039, 617669175, 700025065, 840030078, 1235338350, 1400050130, 2100075195, 3500125325, 4200150390, 7000250650, 10500375975, 21000751950]

約数ペア:

[(1, 21000751950), (2, 10500375975), (3, 7000250650), (5, 4200150390), (6, 3500125325), (10, 2100075195), (15, 1400050130), (17, 1235338350), (25, 840030078), (30, 700025065), (34, 617669175), (50, 420015039), (51, 411779450), (75, 280010026), (85, 247067670), (102, 205889725), (150, 140005013), (170, 123533835), (255, 82355890), (425, 49413534), (510, 41177945), (850, 24706767), (1275, 16471178), (2550, 8235589)]