21531204

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2817

約数の個数: 48

約数和(自身を含む): 56607040

約数和(自身を除く): 35075836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 2731, 3942, 5462, 7884, 8193, 10924, 16386, 24579, 32772, 49158, 73737, 98316, 147474, 199363, 294948, 398726, 598089, 797452, 1196178, 1794267, 2392356, 3588534, 5382801, 7177068, 10765602, 21531204]

約数ペア:

[(1, 21531204), (2, 10765602), (3, 7177068), (4, 5382801), (6, 3588534), (9, 2392356), (12, 1794267), (18, 1196178), (27, 797452), (36, 598089), (54, 398726), (73, 294948), (108, 199363), (146, 147474), (219, 98316), (292, 73737), (438, 49158), (657, 32772), (876, 24579), (1314, 16386), (1971, 10924), (2628, 8193), (2731, 7884), (3942, 5462)]