21161366520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{25192103}}^1$

素因数の和:25192124

約数の個数: 64

約数和(自身を含む): 72553259520

約数和(自身を除く): 51391893000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 25192103, 50384206, 75576309, 100768412, 125960515, 151152618, 176344721, 201536824, 251921030, 302305236, 352689442, 377881545, 503842060, 529034163, 604610472, 705378884, 755763090, 881723605, 1007684120, 1058068326, 1410757768, 1511526180, 1763447210, 2116136652, 2645170815, 3023052360, 3526894420, 4232273304, 5290341630, 7053788840, 10580683260, 21161366520]

約数ペア:

[(1, 21161366520), (2, 10580683260), (3, 7053788840), (4, 5290341630), (5, 4232273304), (6, 3526894420), (7, 3023052360), (8, 2645170815), (10, 2116136652), (12, 1763447210), (14, 1511526180), (15, 1410757768), (20, 1058068326), (21, 1007684120), (24, 881723605), (28, 755763090), (30, 705378884), (35, 604610472), (40, 529034163), (42, 503842060), (56, 377881545), (60, 352689442), (70, 302305236), (84, 251921030), (105, 201536824), (120, 176344721), (140, 151152618), (168, 125960515), (210, 100768412), (280, 75576309), (420, 50384206), (840, 25192103)]