21408643167

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{883}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 32261898240

約数和(自身を除く): 10853255073

約数列:

[1, 3, 17, 19, 51, 57, 131, 191, 323, 393, 573, 883, 969, 2227, 2489, 2649, 3247, 3629, 6681, 7467, 9741, 10887, 15011, 16777, 25021, 42313, 45033, 50331, 61693, 75063, 115673, 126939, 168653, 185079, 285209, 347019, 425357, 475399, 505959, 855627, 1276071, 1426197, 1966441, 2197787, 2867101, 3204407, 5899323, 6593361, 8081783, 8601303, 9613221, 22093543, 24245349, 37362379, 54474919, 66280629, 112087137, 163424757, 375590231, 419777317, 1126770693, 1259331951, 7136214389, 21408643167]

約数ペア:

[(1, 21408643167), (3, 7136214389), (17, 1259331951), (19, 1126770693), (51, 419777317), (57, 375590231), (131, 163424757), (191, 112087137), (323, 66280629), (393, 54474919), (573, 37362379), (883, 24245349), (969, 22093543), (2227, 9613221), (2489, 8601303), (2649, 8081783), (3247, 6593361), (3629, 5899323), (6681, 3204407), (7467, 2867101), (9741, 2197787), (10887, 1966441), (15011, 1426197), (16777, 1276071), (25021, 855627), (42313, 505959), (45033, 475399), (50331, 425357), (61693, 347019), (75063, 285209), (115673, 185079), (126939, 168653)]