21000966562

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1\times {\mathrm{2069}}^1$

素因数の和:2742

約数の個数: 32

約数和(自身を含む): 32190404400

約数和(自身を除く): 11189437838

約数列:

[1, 2, 101, 109, 202, 218, 461, 922, 2069, 4138, 11009, 22018, 46561, 50249, 93122, 100498, 208969, 225521, 417938, 451042, 953809, 1907618, 5075149, 10150298, 22777621, 45555242, 96334709, 103965181, 192669418, 207930362, 10500483281, 21000966562]

約数ペア:

[(1, 21000966562), (2, 10500483281), (101, 207930362), (109, 192669418), (202, 103965181), (218, 96334709), (461, 45555242), (922, 22777621), (2069, 10150298), (4138, 5075149), (11009, 1907618), (22018, 953809), (46561, 451042), (50249, 417938), (93122, 225521), (100498, 208969)]