21543703952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1\times {\mathrm{563}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 43505786880

約数和(自身を除く): 21962082928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 248, 358, 431, 496, 563, 716, 862, 1126, 1432, 1724, 2252, 2864, 3448, 4504, 5549, 6896, 9008, 11098, 13361, 17453, 22196, 26722, 34906, 44392, 53444, 69812, 77149, 88784, 100777, 106888, 139624, 154298, 201554, 213776, 242653, 279248, 308596, 403108, 485306, 617192, 806216, 970612, 1234384, 1612432, 1941224, 2391619, 3124087, 3882448, 4783238, 6248174, 7522243, 9566476, 12496348, 15044486, 19132952, 24992696, 30088972, 38265904, 43434887, 49985392, 60177944, 86869774, 120355888, 173739548, 347479096, 694958192, 1346481497, 2692962994, 5385925988, 10771851976, 21543703952]

約数ペア:

[(1, 21543703952), (2, 10771851976), (4, 5385925988), (8, 2692962994), (16, 1346481497), (31, 694958192), (62, 347479096), (124, 173739548), (179, 120355888), (248, 86869774), (358, 60177944), (431, 49985392), (496, 43434887), (563, 38265904), (716, 30088972), (862, 24992696), (1126, 19132952), (1432, 15044486), (1724, 12496348), (2252, 9566476), (2864, 7522243), (3448, 6248174), (4504, 4783238), (5549, 3882448), (6896, 3124087), (9008, 2391619), (11098, 1941224), (13361, 1612432), (17453, 1234384), (22196, 970612), (26722, 806216), (34906, 617192), (44392, 485306), (53444, 403108), (69812, 308596), (77149, 279248), (88784, 242653), (100777, 213776), (106888, 201554), (139624, 154298)]