21002554808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{3389}}^1\times {\mathrm{24989}}^1$

素因数の和:28415

約数の個数: 32

約数和(自身を含む): 40663728000

約数和(自身を除く): 19661173192

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 3389, 6778, 13556, 24989, 27112, 49978, 99956, 105059, 199912, 210118, 420236, 774659, 840472, 1549318, 3098636, 6197272, 84687721, 169375442, 338750884, 677501768, 2625319351, 5250638702, 10501277404, 21002554808]

約数ペア:

[(1, 21002554808), (2, 10501277404), (4, 5250638702), (8, 2625319351), (31, 677501768), (62, 338750884), (124, 169375442), (248, 84687721), (3389, 6197272), (6778, 3098636), (13556, 1549318), (24989, 840472), (27112, 774659), (49978, 420236), (99956, 210118), (105059, 199912)]