2021431204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47581}}^1$

素因数の和:47660

約数の個数: 48

約数和(自身を含む): 4103471680

約数和(自身を除く): 2082040476

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1634, 2236, 3268, 10621, 21242, 42484, 47581, 95162, 190324, 618553, 904039, 1237106, 1808078, 2045983, 2474212, 3616156, 4091966, 8183932, 11752507, 23505014, 26597779, 38873677, 47010028, 53195558, 77747354, 106391116, 155494708, 505357801, 1010715602, 2021431204]

約数ペア:

[(1, 2021431204), (2, 1010715602), (4, 505357801), (13, 155494708), (19, 106391116), (26, 77747354), (38, 53195558), (43, 47010028), (52, 38873677), (76, 26597779), (86, 23505014), (172, 11752507), (247, 8183932), (494, 4091966), (559, 3616156), (817, 2474212), (988, 2045983), (1118, 1808078), (1634, 1237106), (2236, 904039), (3268, 618553), (10621, 190324), (21242, 95162), (42484, 47581)]