21189936

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7237}}^1$

素因数の和:7309

約数の個数: 40

約数和(自身を含む): 55645744

約数和(自身を除く): 34455808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7237, 14474, 21711, 28948, 43422, 57896, 86844, 115792, 173688, 347376, 441457, 882914, 1324371, 1765828, 2648742, 3531656, 5297484, 7063312, 10594968, 21189936]

約数ペア:

[(1, 21189936), (2, 10594968), (3, 7063312), (4, 5297484), (6, 3531656), (8, 2648742), (12, 1765828), (16, 1324371), (24, 882914), (48, 441457), (61, 347376), (122, 173688), (183, 115792), (244, 86844), (366, 57896), (488, 43422), (732, 28948), (976, 21711), (1464, 14474), (2928, 7237)]