21377718

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51637}}^1$

素因数の和:51668

約数の個数: 24

約数和(自身を含む): 48333168

約数和(自身を除く): 26955450

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51637, 103274, 154911, 309822, 464733, 929466, 1187651, 2375302, 3562953, 7125906, 10688859, 21377718]

約数ペア:

[(1, 21377718), (2, 10688859), (3, 7125906), (6, 3562953), (9, 2375302), (18, 1187651), (23, 929466), (46, 464733), (69, 309822), (138, 154911), (207, 103274), (414, 51637)]