21648638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 16246402

約数列:

[1, 2, 11, 19, 22, 38, 67, 134, 209, 418, 737, 773, 1273, 1474, 1546, 2546, 8503, 14003, 14687, 17006, 28006, 29374, 51791, 103582, 161557, 323114, 569701, 984029, 1139402, 1968058, 10824319, 21648638]

約数ペア:

[(1, 21648638), (2, 10824319), (11, 1968058), (19, 1139402), (22, 984029), (38, 569701), (67, 323114), (134, 161557), (209, 103582), (418, 51791), (737, 29374), (773, 28006), (1273, 17006), (1474, 14687), (1546, 14003), (2546, 8503)]