21761973

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 12798027

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 513, 531, 719, 1121, 1593, 2157, 3363, 6471, 10089, 13661, 19413, 30267, 40983, 42421, 122949, 127263, 368847, 381789, 805999, 1145367, 2417997, 7253991, 21761973]

約数ペア:

[(1, 21761973), (3, 7253991), (9, 2417997), (19, 1145367), (27, 805999), (57, 381789), (59, 368847), (171, 127263), (177, 122949), (513, 42421), (531, 40983), (719, 30267), (1121, 19413), (1593, 13661), (2157, 10089), (3363, 6471)]