21618846

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1109}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 50749200

約数和(自身を除く): 29130354

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1083, 1109, 2166, 2218, 3249, 3327, 6498, 6654, 9747, 9981, 19494, 19962, 21071, 29943, 42142, 59886, 63213, 126426, 189639, 379278, 400349, 568917, 800698, 1137834, 1201047, 2402094, 3603141, 7206282, 10809423, 21618846]

約数ペア:

[(1, 21618846), (2, 10809423), (3, 7206282), (6, 3603141), (9, 2402094), (18, 1201047), (19, 1137834), (27, 800698), (38, 568917), (54, 400349), (57, 379278), (114, 189639), (171, 126426), (342, 63213), (361, 59886), (513, 42142), (722, 29943), (1026, 21071), (1083, 19962), (1109, 19494), (2166, 9981), (2218, 9747), (3249, 6654), (3327, 6498)]