21193854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16901}}^1$

素因数の和:16936

約数の個数: 32

約数和(自身を含む): 48677760

約数和(自身を除く): 27483906

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 16901, 33802, 50703, 101406, 185911, 321119, 371822, 557733, 642238, 963357, 1115466, 1926714, 3532309, 7064618, 10596927, 21193854]

約数ペア:

[(1, 21193854), (2, 10596927), (3, 7064618), (6, 3532309), (11, 1926714), (19, 1115466), (22, 963357), (33, 642238), (38, 557733), (57, 371822), (66, 321119), (114, 185911), (209, 101406), (418, 50703), (627, 33802), (1254, 16901)]