21637998

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 28157202

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 151, 171, 302, 342, 419, 453, 838, 906, 1257, 1359, 2514, 2718, 2869, 3771, 5738, 7542, 7961, 8607, 15922, 17214, 23883, 25821, 47766, 51642, 63269, 71649, 126538, 143298, 189807, 379614, 569421, 1138842, 1202111, 2404222, 3606333, 7212666, 10818999, 21637998]

約数ペア:

[(1, 21637998), (2, 10818999), (3, 7212666), (6, 3606333), (9, 2404222), (18, 1202111), (19, 1138842), (38, 569421), (57, 379614), (114, 189807), (151, 143298), (171, 126538), (302, 71649), (342, 63269), (419, 51642), (453, 47766), (838, 25821), (906, 23883), (1257, 17214), (1359, 15922), (2514, 8607), (2718, 7961), (2869, 7542), (3771, 5738)]