21070294584

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{404017}}^1$

素因数の和:404120

約数の個数: 64

約数和(自身を含む): 54978769440

約数和(自身を除く): 33908474856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 328, 424, 492, 636, 984, 1272, 2173, 4346, 6519, 8692, 13038, 17384, 26076, 52152, 404017, 808034, 1212051, 1616068, 2424102, 3232136, 4848204, 9696408, 16564697, 21412901, 33129394, 42825802, 49694091, 64238703, 66258788, 85651604, 99388182, 128477406, 132517576, 171303208, 198776364, 256954812, 397552728, 513909624, 877928941, 1755857882, 2633786823, 3511715764, 5267573646, 7023431528, 10535147292, 21070294584]

約数ペア:

[(1, 21070294584), (2, 10535147292), (3, 7023431528), (4, 5267573646), (6, 3511715764), (8, 2633786823), (12, 1755857882), (24, 877928941), (41, 513909624), (53, 397552728), (82, 256954812), (106, 198776364), (123, 171303208), (159, 132517576), (164, 128477406), (212, 99388182), (246, 85651604), (318, 66258788), (328, 64238703), (424, 49694091), (492, 42825802), (636, 33129394), (984, 21412901), (1272, 16564697), (2173, 9696408), (4346, 4848204), (6519, 3232136), (8692, 2424102), (13038, 1616068), (17384, 1212051), (26076, 808034), (52152, 404017)]