21174894

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5323}}^1$

素因数の和:5361

約数の個数: 48

約数和(自身を含む): 52324272

約数和(自身を除く): 31149378

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5323, 10646, 15969, 31938, 47907, 69199, 90491, 95814, 138398, 180982, 207597, 271473, 415194, 542946, 622791, 814419, 1176383, 1245582, 1628838, 2352766, 3529149, 7058298, 10587447, 21174894]

約数ペア:

[(1, 21174894), (2, 10587447), (3, 7058298), (6, 3529149), (9, 2352766), (13, 1628838), (17, 1245582), (18, 1176383), (26, 814419), (34, 622791), (39, 542946), (51, 415194), (78, 271473), (102, 207597), (117, 180982), (153, 138398), (221, 95814), (234, 90491), (306, 69199), (442, 47907), (663, 31938), (1326, 15969), (1989, 10646), (3978, 5323)]