21065166722

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1\times {\mathrm{4201}}^1$

素因数の和:6074

約数の個数: 32

約数和(自身を含む): 33538817664

約数和(自身を除く): 12473650942

約数列:

[1, 2, 23, 46, 61, 122, 1403, 1787, 2806, 3574, 4201, 8402, 41101, 82202, 96623, 109007, 193246, 218014, 256261, 512522, 2507161, 5014322, 5894003, 7507187, 11788006, 15014374, 172665301, 345330602, 457938407, 915876814, 10532583361, 21065166722]

約数ペア:

[(1, 21065166722), (2, 10532583361), (23, 915876814), (46, 457938407), (61, 345330602), (122, 172665301), (1403, 15014374), (1787, 11788006), (2806, 7507187), (3574, 5894003), (4201, 5014322), (8402, 2507161), (41101, 512522), (82202, 256261), (96623, 218014), (109007, 193246)]