21381569454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1447}}^1\times {\mathrm{8581}}^1$

素因数の和:10081

約数の個数: 64

約数和(自身を含む): 50104599552

約数和(自身を除く): 28723030098

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1447, 1722, 2894, 4341, 8581, 8682, 10129, 17162, 20258, 25743, 30387, 51486, 59327, 60067, 60774, 118654, 120134, 177981, 180201, 351821, 355962, 360402, 415289, 703642, 830578, 1055463, 1245867, 2110926, 2462747, 2491734, 4925494, 7388241, 12416707, 14776482, 24833414, 37250121, 74500242, 86916949, 173833898, 260750847, 509084987, 521501694, 1018169974, 1527254961, 3054509922, 3563594909, 7127189818, 10690784727, 21381569454]

約数ペア:

[(1, 21381569454), (2, 10690784727), (3, 7127189818), (6, 3563594909), (7, 3054509922), (14, 1527254961), (21, 1018169974), (41, 521501694), (42, 509084987), (82, 260750847), (123, 173833898), (246, 86916949), (287, 74500242), (574, 37250121), (861, 24833414), (1447, 14776482), (1722, 12416707), (2894, 7388241), (4341, 4925494), (8581, 2491734), (8682, 2462747), (10129, 2110926), (17162, 1245867), (20258, 1055463), (25743, 830578), (30387, 703642), (51486, 415289), (59327, 360402), (60067, 355962), (60774, 351821), (118654, 180201), (120134, 177981)]