21644298

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5441}}^1$

素因数の和:5479

約数の個数: 48

約数和(自身を含む): 53483976

約数和(自身を除く): 31839678

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, 5441, 10882, 16323, 32646, 48969, 70733, 92497, 97938, 141466, 184994, 212199, 277491, 424398, 554982, 636597, 832473, 1202461, 1273194, 1664946, 2404922, 3607383, 7214766, 10822149, 21644298]

約数ペア:

[(1, 21644298), (2, 10822149), (3, 7214766), (6, 3607383), (9, 2404922), (13, 1664946), (17, 1273194), (18, 1202461), (26, 832473), (34, 636597), (39, 554982), (51, 424398), (78, 277491), (102, 212199), (117, 184994), (153, 141466), (221, 97938), (234, 92497), (306, 70733), (442, 48969), (663, 32646), (1326, 16323), (1989, 10882), (3978, 5441)]