21629121969

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{623839}}^1$

素因数の和:623989

約数の個数: 32

約数和(自身を含む): 35773480960

約数和(自身を除く): 14144358991

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 889, 1651, 2667, 4953, 11557, 34671, 623839, 1871517, 4366873, 8109907, 13100619, 24329721, 56769349, 79227553, 170308047, 237682659, 554592871, 1029958189, 1663778613, 3089874567, 7209707323, 21629121969]

約数ペア:

[(1, 21629121969), (3, 7209707323), (7, 3089874567), (13, 1663778613), (21, 1029958189), (39, 554592871), (91, 237682659), (127, 170308047), (273, 79227553), (381, 56769349), (889, 24329721), (1651, 13100619), (2667, 8109907), (4953, 4366873), (11557, 1871517), (34671, 623839)]