21652072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3413}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 44450280

約数和(自身を除く): 22798208

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 3413, 6344, 6826, 13652, 27304, 44369, 88738, 177476, 208193, 354952, 416386, 832772, 1665544, 2706509, 5413018, 10826036, 21652072]

約数ペア:

[(1, 21652072), (2, 10826036), (4, 5413018), (8, 2706509), (13, 1665544), (26, 832772), (52, 416386), (61, 354952), (104, 208193), (122, 177476), (244, 88738), (488, 44369), (793, 27304), (1586, 13652), (3172, 6826), (3413, 6344)]