21829119

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 33465600

約数和(自身を除く): 11636481

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 331, 741, 993, 1157, 1691, 3471, 4303, 5073, 6289, 12909, 18867, 21983, 29459, 65949, 81757, 88377, 245271, 382967, 559721, 1148901, 1679163, 7276373, 21829119]

約数ペア:

[(1, 21829119), (3, 7276373), (13, 1679163), (19, 1148901), (39, 559721), (57, 382967), (89, 245271), (247, 88377), (267, 81757), (331, 65949), (741, 29459), (993, 21983), (1157, 18867), (1691, 12909), (3471, 6289), (4303, 5073)]