21491501376

素因数分解:

$2^6\times 3^1\times {\mathrm{439}}^1\times {\mathrm{254977}}^1$

素因数の和:255431

約数の個数: 56

約数和(自身を含む): 56992682560

約数和(自身を除く): 35501181184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 439, 878, 1317, 1756, 2634, 3512, 5268, 7024, 10536, 14048, 21072, 28096, 42144, 84288, 254977, 509954, 764931, 1019908, 1529862, 2039816, 3059724, 4079632, 6119448, 8159264, 12238896, 16318528, 24477792, 48955584, 111934903, 223869806, 335804709, 447739612, 671609418, 895479224, 1343218836, 1790958448, 2686437672, 3581916896, 5372875344, 7163833792, 10745750688, 21491501376]

約数ペア:

[(1, 21491501376), (2, 10745750688), (3, 7163833792), (4, 5372875344), (6, 3581916896), (8, 2686437672), (12, 1790958448), (16, 1343218836), (24, 895479224), (32, 671609418), (48, 447739612), (64, 335804709), (96, 223869806), (192, 111934903), (439, 48955584), (878, 24477792), (1317, 16318528), (1756, 12238896), (2634, 8159264), (3512, 6119448), (5268, 4079632), (7024, 3059724), (10536, 2039816), (14048, 1529862), (21072, 1019908), (28096, 764931), (42144, 509954), (84288, 254977)]