21291566252554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{13249}}^1\times {\mathrm{5857}}^1$

素因数の和:19355

約数の個数: 64

約数和(自身を含む): 35168631876000

約数和(自身を除く): 13877065623446

約数列:

[1, 2, 13, 26, 61, 122, 173, 346, 793, 1586, 2249, 4498, 5857, 10553, 11714, 13249, 21106, 26498, 76141, 137189, 152282, 172237, 274378, 344474, 357277, 714554, 808189, 1013261, 1616378, 2026522, 2292077, 4584154, 4644601, 9289202, 10506457, 13172393, 21012914, 26344786, 29797001, 59594002, 61808921, 77599393, 123617842, 139816697, 155198786, 279633394, 803515973, 1008792109, 1607031946, 1817617061, 2017584218, 3635234122, 4733562973, 9467125946, 13424694989, 26849389978, 61536318649, 123072637298, 174521034857, 349042069714, 818906394329, 1637812788658, 10645783126277, 21291566252554]

約数ペア:

[(1, 21291566252554), (2, 10645783126277), (13, 1637812788658), (26, 818906394329), (61, 349042069714), (122, 174521034857), (173, 123072637298), (346, 61536318649), (793, 26849389978), (1586, 13424694989), (2249, 9467125946), (4498, 4733562973), (5857, 3635234122), (10553, 2017584218), (11714, 1817617061), (13249, 1607031946), (21106, 1008792109), (26498, 803515973), (76141, 279633394), (137189, 155198786), (152282, 139816697), (172237, 123617842), (274378, 77599393), (344474, 61808921), (357277, 59594002), (714554, 29797001), (808189, 26344786), (1013261, 21012914), (1616378, 13172393), (2026522, 10506457), (2292077, 9289202), (4584154, 4644601)]