21503742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16217}}^1$

素因数の和:16252

約数の個数: 32

約数和(自身を含む): 49043232

約数和(自身を除く): 27539490

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16217, 32434, 48651, 97302, 210821, 275689, 421642, 551378, 632463, 827067, 1264926, 1654134, 3583957, 7167914, 10751871, 21503742]

約数ペア:

[(1, 21503742), (2, 10751871), (3, 7167914), (6, 3583957), (13, 1654134), (17, 1264926), (26, 827067), (34, 632463), (39, 551378), (51, 421642), (78, 275689), (102, 210821), (221, 97302), (442, 48651), (663, 32434), (1326, 16217)]