21548646

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 55334400

約数和(自身を除く): 33785754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 109, 126, 189, 218, 327, 378, 523, 654, 763, 981, 1046, 1526, 1569, 1962, 2289, 2943, 3138, 3661, 4578, 4707, 5886, 6867, 7322, 9414, 10983, 13734, 14121, 20601, 21966, 28242, 32949, 41202, 57007, 65898, 98847, 114014, 171021, 197694, 342042, 399049, 513063, 798098, 1026126, 1197147, 1539189, 2394294, 3078378, 3591441, 7182882, 10774323, 21548646]

約数ペア:

[(1, 21548646), (2, 10774323), (3, 7182882), (6, 3591441), (7, 3078378), (9, 2394294), (14, 1539189), (18, 1197147), (21, 1026126), (27, 798098), (42, 513063), (54, 399049), (63, 342042), (109, 197694), (126, 171021), (189, 114014), (218, 98847), (327, 65898), (378, 57007), (523, 41202), (654, 32949), (763, 28242), (981, 21966), (1046, 20601), (1526, 14121), (1569, 13734), (1962, 10983), (2289, 9414), (2943, 7322), (3138, 6867), (3661, 5886), (4578, 4707)]