21175362

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6961}}^1$

素因数の和:6995

約数の個数: 36

約数和(自身を含む): 49687794

約数和(自身を除く): 28512432

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6961, 13922, 20883, 41766, 62649, 90493, 125298, 180986, 271479, 542958, 814437, 1176409, 1628874, 2352818, 3529227, 7058454, 10587681, 21175362]

約数ペア:

[(1, 21175362), (2, 10587681), (3, 7058454), (6, 3529227), (9, 2352818), (13, 1628874), (18, 1176409), (26, 814437), (39, 542958), (78, 271479), (117, 180986), (169, 125298), (234, 90493), (338, 62649), (507, 41766), (1014, 20883), (1521, 13922), (3042, 6961)]