21175451808

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31511089}}^1$

素因数の和:31511109

約数の個数: 48

約数和(自身を含む): 63526357440

約数和(自身を除く): 42350905632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31511089, 63022178, 94533267, 126044356, 189066534, 220577623, 252088712, 378133068, 441155246, 504177424, 661732869, 756266136, 882310492, 1008354848, 1323465738, 1512532272, 1764620984, 2646931476, 3025064544, 3529241968, 5293862952, 7058483936, 10587725904, 21175451808]

約数ペア:

[(1, 21175451808), (2, 10587725904), (3, 7058483936), (4, 5293862952), (6, 3529241968), (7, 3025064544), (8, 2646931476), (12, 1764620984), (14, 1512532272), (16, 1323465738), (21, 1008354848), (24, 882310492), (28, 756266136), (32, 661732869), (42, 504177424), (48, 441155246), (56, 378133068), (84, 252088712), (96, 220577623), (112, 189066534), (168, 126044356), (224, 94533267), (336, 63022178), (672, 31511089)]