21484548

素因数分解:

$2^2\times 3^3\times {\mathrm{331}}^1\times {\mathrm{601}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 55961920

約数和(自身を除く): 34477372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 331, 601, 662, 993, 1202, 1324, 1803, 1986, 2404, 2979, 3606, 3972, 5409, 5958, 7212, 8937, 10818, 11916, 16227, 17874, 21636, 32454, 35748, 64908, 198931, 397862, 596793, 795724, 1193586, 1790379, 2387172, 3580758, 5371137, 7161516, 10742274, 21484548]

約数ペア:

[(1, 21484548), (2, 10742274), (3, 7161516), (4, 5371137), (6, 3580758), (9, 2387172), (12, 1790379), (18, 1193586), (27, 795724), (36, 596793), (54, 397862), (108, 198931), (331, 64908), (601, 35748), (662, 32454), (993, 21636), (1202, 17874), (1324, 16227), (1803, 11916), (1986, 10818), (2404, 8937), (2979, 7212), (3606, 5958), (3972, 5409)]