21236182.000000000

素因数分解:

$2^3\times 3^1\times {\mathrm{12290987}}^1$

素因数の和:12290996

約数の個数: 16

約数和(自身を含む): 737459280

約数和(自身を除く): 442475592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 12290987, 24581974, 36872961, 49163948, 73745922, 98327896, 147491844, 294983688]

約数ペア:

[(1, 294983688), (2, 147491844), (3, 98327896), (4, 73745922), (6, 49163948), (8, 36872961), (12, 24581974), (24, 12290987)]