21555044

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 46878720

約数和(自身を除く): 25323676

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1307, 2356, 2614, 4123, 5228, 8246, 9149, 16492, 18298, 24833, 36596, 40517, 49666, 81034, 99332, 162068, 173831, 283619, 347662, 567238, 695324, 769823, 1134476, 1539646, 3079292, 5388761, 10777522, 21555044]

約数ペア:

[(1, 21555044), (2, 10777522), (4, 5388761), (7, 3079292), (14, 1539646), (19, 1134476), (28, 769823), (31, 695324), (38, 567238), (62, 347662), (76, 283619), (124, 173831), (133, 162068), (217, 99332), (266, 81034), (434, 49666), (532, 40517), (589, 36596), (868, 24833), (1178, 18298), (1307, 16492), (2356, 9149), (2614, 8246), (4123, 5228)]