21140574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1305

約数の個数: 64

約数和(自身を含む): 53760000

約数和(自身を除く): 32619426

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1249, 1302, 2418, 2498, 2821, 3747, 5642, 7494, 8463, 8743, 16237, 16926, 17486, 26229, 32474, 38719, 48711, 52458, 77438, 97422, 113659, 116157, 227318, 232314, 271033, 340977, 503347, 542066, 681954, 813099, 1006694, 1510041, 1626198, 3020082, 3523429, 7046858, 10570287, 21140574]

約数ペア:

[(1, 21140574), (2, 10570287), (3, 7046858), (6, 3523429), (7, 3020082), (13, 1626198), (14, 1510041), (21, 1006694), (26, 813099), (31, 681954), (39, 542066), (42, 503347), (62, 340977), (78, 271033), (91, 232314), (93, 227318), (182, 116157), (186, 113659), (217, 97422), (273, 77438), (403, 52458), (434, 48711), (546, 38719), (651, 32474), (806, 26229), (1209, 17486), (1249, 16926), (1302, 16237), (2418, 8743), (2498, 8463), (2821, 7494), (3747, 5642)]