21103926

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 45257520

約数和(自身を除く): 24153594

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 109, 122, 138, 183, 218, 327, 366, 529, 654, 1058, 1403, 1587, 2507, 2806, 3174, 4209, 5014, 6649, 7521, 8418, 13298, 15042, 19947, 32269, 39894, 57661, 64538, 96807, 115322, 152927, 172983, 193614, 305854, 345966, 458781, 917562, 3517321, 7034642, 10551963, 21103926]

約数ペア:

[(1, 21103926), (2, 10551963), (3, 7034642), (6, 3517321), (23, 917562), (46, 458781), (61, 345966), (69, 305854), (109, 193614), (122, 172983), (138, 152927), (183, 115322), (218, 96807), (327, 64538), (366, 57661), (529, 39894), (654, 32269), (1058, 19947), (1403, 15042), (1587, 13298), (2507, 8418), (2806, 7521), (3174, 6649), (4209, 5014)]