21164688

素因数分解:

$2^4\times 3^2\times {\mathrm{146977}}^1$

素因数の和:146991

約数の個数: 30

約数和(自身を含む): 59232134

約数和(自身を除く): 38067446

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146977, 293954, 440931, 587908, 881862, 1175816, 1322793, 1763724, 2351632, 2645586, 3527448, 5291172, 7054896, 10582344, 21164688]

約数ペア:

[(1, 21164688), (2, 10582344), (3, 7054896), (4, 5291172), (6, 3527448), (8, 2645586), (9, 2351632), (12, 1763724), (16, 1322793), (18, 1175816), (24, 881862), (36, 587908), (48, 440931), (72, 293954), (144, 146977)]