21902068984

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{170971}}^1$

素因数の和:171283

約数の個数: 32

約数和(自身を含む): 41853945600

約数和(自身を除く): 19951876616

約数列:

[1, 2, 4, 8, 67, 134, 239, 268, 478, 536, 956, 1912, 16013, 32026, 64052, 128104, 170971, 341942, 683884, 1367768, 11455057, 22910114, 40862069, 45820228, 81724138, 91640456, 163448276, 326896552, 2737758623, 5475517246, 10951034492, 21902068984]

約数ペア:

[(1, 21902068984), (2, 10951034492), (4, 5475517246), (8, 2737758623), (67, 326896552), (134, 163448276), (239, 91640456), (268, 81724138), (478, 45820228), (536, 40862069), (956, 22910114), (1912, 11455057), (16013, 1367768), (32026, 683884), (64052, 341942), (128104, 170971)]