21268515424

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{88607}}^1$

素因数の和:89207

約数の個数: 48

約数和(自身を含む): 45172003968

約数和(自身を除く): 23903488544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 577, 1154, 2308, 4616, 7501, 9232, 15002, 18464, 30004, 60008, 88607, 120016, 177214, 240032, 354428, 708856, 1151891, 1417712, 2303782, 2835424, 4607564, 9215128, 18430256, 36860512, 51126239, 102252478, 204504956, 409009912, 664641107, 818019824, 1329282214, 1636039648, 2658564428, 5317128856, 10634257712, 21268515424]

約数ペア:

[(1, 21268515424), (2, 10634257712), (4, 5317128856), (8, 2658564428), (13, 1636039648), (16, 1329282214), (26, 818019824), (32, 664641107), (52, 409009912), (104, 204504956), (208, 102252478), (416, 51126239), (577, 36860512), (1154, 18430256), (2308, 9215128), (4616, 4607564), (7501, 2835424), (9232, 2303782), (15002, 1417712), (18464, 1151891), (30004, 708856), (60008, 354428), (88607, 240032), (120016, 177214)]