20160921123

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{906557}}^1$

素因数の和:906923

約数の個数: 24

約数和(自身を含む): 33375839328

約数和(自身を除く): 13214918205

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 7413, 22239, 906557, 2719671, 6345899, 8159013, 19037697, 57113091, 320014621, 960043863, 2240102347, 2880131589, 6720307041, 20160921123]

約数ペア:

[(1, 20160921123), (3, 6720307041), (7, 2880131589), (9, 2240102347), (21, 960043863), (63, 320014621), (353, 57113091), (1059, 19037697), (2471, 8159013), (3177, 6345899), (7413, 2719671), (22239, 906557)]