21199706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 37437120

約数和(自身を除く): 16237414

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1237, 1558, 2474, 8569, 13607, 17138, 23503, 27214, 47006, 50717, 101434, 258533, 517066, 557887, 963623, 1115774, 1927246, 10599853, 21199706]

約数ペア:

[(1, 21199706), (2, 10599853), (11, 1927246), (19, 1115774), (22, 963623), (38, 557887), (41, 517066), (82, 258533), (209, 101434), (418, 50717), (451, 47006), (779, 27214), (902, 23503), (1237, 17138), (1558, 13607), (2474, 8569)]