21708764

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10069}}^1$

素因数の和:10098

約数の個数: 36

約数和(自身を含む): 48215160

約数和(自身を除く): 26506396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 10069, 20138, 40276, 70483, 110759, 140966, 221518, 281932, 443036, 493381, 775313, 986762, 1550626, 1973524, 3101252, 5427191, 10854382, 21708764]

約数ペア:

[(1, 21708764), (2, 10854382), (4, 5427191), (7, 3101252), (11, 1973524), (14, 1550626), (22, 986762), (28, 775313), (44, 493381), (49, 443036), (77, 281932), (98, 221518), (154, 140966), (196, 110759), (308, 70483), (539, 40276), (1078, 20138), (2156, 10069)]