21692055

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2683}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 44060544

約数和(自身を除く): 22368489

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2683, 2695, 8049, 8085, 13415, 18781, 29513, 40245, 56343, 88539, 93905, 131467, 147565, 206591, 281715, 394401, 442695, 619773, 657335, 1032955, 1446137, 1972005, 3098865, 4338411, 7230685, 21692055]

約数ペア:

[(1, 21692055), (3, 7230685), (5, 4338411), (7, 3098865), (11, 1972005), (15, 1446137), (21, 1032955), (33, 657335), (35, 619773), (49, 442695), (55, 394401), (77, 281715), (105, 206591), (147, 147565), (165, 131467), (231, 93905), (245, 88539), (385, 56343), (539, 40245), (735, 29513), (1155, 18781), (1617, 13415), (2683, 8085), (2695, 8049)]