21731763

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 33143040

約数和(自身を除く): 11411277

約数列:

[1, 3, 17, 19, 41, 51, 57, 123, 323, 547, 697, 779, 969, 1641, 2091, 2337, 9299, 10393, 13243, 22427, 27897, 31179, 39729, 67281, 176681, 381259, 426113, 530043, 1143777, 1278339, 7243921, 21731763]

約数ペア:

[(1, 21731763), (3, 7243921), (17, 1278339), (19, 1143777), (41, 530043), (51, 426113), (57, 381259), (123, 176681), (323, 67281), (547, 39729), (697, 31179), (779, 27897), (969, 22427), (1641, 13243), (2091, 10393), (2337, 9299)]