21635908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 46305280

約数和(自身を除く): 24669372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 607, 938, 1214, 1273, 1876, 2428, 2546, 4249, 5092, 8498, 8911, 11533, 16996, 17822, 23066, 35644, 40669, 46132, 80731, 81338, 161462, 162676, 284683, 322924, 569366, 772711, 1138732, 1545422, 3090844, 5408977, 10817954, 21635908]

約数ペア:

[(1, 21635908), (2, 10817954), (4, 5408977), (7, 3090844), (14, 1545422), (19, 1138732), (28, 772711), (38, 569366), (67, 322924), (76, 284683), (133, 162676), (134, 161462), (266, 81338), (268, 80731), (469, 46132), (532, 40669), (607, 35644), (938, 23066), (1214, 17822), (1273, 16996), (1876, 11533), (2428, 8911), (2546, 8498), (4249, 5092)]