21631456319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 27020044800

約数和(自身を除く): 5388588481

約数列:

[1, 11, 17, 19, 67, 89, 187, 209, 323, 737, 979, 1021, 1139, 1273, 1513, 1691, 3553, 5963, 11231, 12529, 14003, 16643, 17357, 18601, 19399, 21641, 28747, 65593, 68407, 90869, 101371, 113297, 190927, 213389, 238051, 316217, 329783, 752477, 999559, 1115081, 1162919, 1246267, 1299733, 1544773, 1726511, 1926049, 3627613, 6088223, 12792109, 14297063, 16992503, 18991621, 21186539, 22095461, 29350687, 66970453, 103499791, 115676237, 243050071, 322857557, 1138497701, 1272438607, 1966496029, 21631456319]

約数ペア:

[(1, 21631456319), (11, 1966496029), (17, 1272438607), (19, 1138497701), (67, 322857557), (89, 243050071), (187, 115676237), (209, 103499791), (323, 66970453), (737, 29350687), (979, 22095461), (1021, 21186539), (1139, 18991621), (1273, 16992503), (1513, 14297063), (1691, 12792109), (3553, 6088223), (5963, 3627613), (11231, 1926049), (12529, 1726511), (14003, 1544773), (16643, 1299733), (17357, 1246267), (18601, 1162919), (19399, 1115081), (21641, 999559), (28747, 752477), (65593, 329783), (68407, 316217), (90869, 238051), (101371, 213389), (113297, 190927)]