21103460248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{299731}}^1$

素因数の和:300427

約数の個数: 32

約数和(自身を含む): 42675842160

約数和(自身を除く): 21572381912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 677, 1354, 2708, 5416, 8801, 17602, 35204, 70408, 299731, 599462, 1198924, 2397848, 3896503, 7793006, 15586012, 31172024, 202917887, 405835774, 811671548, 1623343096, 2637932531, 5275865062, 10551730124, 21103460248]

約数ペア:

[(1, 21103460248), (2, 10551730124), (4, 5275865062), (8, 2637932531), (13, 1623343096), (26, 811671548), (52, 405835774), (104, 202917887), (677, 31172024), (1354, 15586012), (2708, 7793006), (5416, 3896503), (8801, 2397848), (17602, 1198924), (35204, 599462), (70408, 299731)]