21139911938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1\times {\mathrm{4513}}^1$

素因数の和:5906

約数の個数: 32

約数和(自身を含む): 33540825600

約数和(自身を除く): 12400913662

約数列:

[1, 2, 23, 46, 79, 158, 1289, 1817, 2578, 3634, 4513, 9026, 29647, 59294, 101831, 103799, 203662, 207598, 356527, 713054, 2342113, 4684226, 5817257, 8200121, 11634514, 16400242, 133796911, 267593822, 459563303, 919126606, 10569955969, 21139911938]

約数ペア:

[(1, 21139911938), (2, 10569955969), (23, 919126606), (46, 459563303), (79, 267593822), (158, 133796911), (1289, 16400242), (1817, 11634514), (2578, 8200121), (3634, 5817257), (4513, 4684226), (9026, 2342113), (29647, 713054), (59294, 356527), (101831, 207598), (103799, 203662)]