21656846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14631154

約数列:

[1, 2, 19, 23, 38, 46, 71, 142, 349, 437, 698, 874, 1349, 1633, 2698, 3266, 6631, 8027, 13262, 16054, 24779, 31027, 49558, 62054, 152513, 305026, 470801, 569917, 941602, 1139834, 10828423, 21656846]

約数ペア:

[(1, 21656846), (2, 10828423), (19, 1139834), (23, 941602), (38, 569917), (46, 470801), (71, 305026), (142, 152513), (349, 62054), (437, 49558), (698, 31027), (874, 24779), (1349, 16054), (1633, 13262), (2698, 8027), (3266, 6631)]