21642036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138731}}^1$

素因数の和:138751

約数の個数: 24

約数和(自身を含む): 54382944

約数和(自身を除く): 32740908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138731, 277462, 416193, 554924, 832386, 1664772, 1803503, 3607006, 5410509, 7214012, 10821018, 21642036]

約数ペア:

[(1, 21642036), (2, 10821018), (3, 7214012), (4, 5410509), (6, 3607006), (12, 1803503), (13, 1664772), (26, 832386), (39, 554924), (52, 416193), (78, 277462), (156, 138731)]