21623031

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 35126784

約数和(自身を除く): 13503753

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 123, 153, 369, 383, 459, 697, 1107, 1149, 1377, 2091, 3321, 3447, 6273, 6511, 10341, 15703, 18819, 19533, 31023, 47109, 56457, 58599, 141327, 175797, 266951, 423981, 527391, 800853, 1271943, 2402559, 7207677, 21623031]

約数ペア:

[(1, 21623031), (3, 7207677), (9, 2402559), (17, 1271943), (27, 800853), (41, 527391), (51, 423981), (81, 266951), (123, 175797), (153, 141327), (369, 58599), (383, 56457), (459, 47109), (697, 31023), (1107, 19533), (1149, 18819), (1377, 15703), (2091, 10341), (3321, 6511), (3447, 6273)]