21098062336

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{102251}}^1$

素因数の和:102313

約数の個数: 80

約数和(自身を含む): 46862500608

約数和(自身を除く): 25764438272

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6448, 6656, 7936, 12896, 15872, 25792, 51584, 102251, 103168, 204502, 206336, 409004, 818008, 1329263, 1636016, 2658526, 3169781, 3272032, 5317052, 6339562, 6544064, 10634104, 12679124, 13088128, 21268208, 25358248, 26176256, 41207153, 42536416, 50716496, 52352512, 82414306, 85072832, 101432992, 164828612, 170145664, 202865984, 329657224, 340291328, 405731968, 659314448, 680582656, 811463936, 1318628896, 1622927872, 2637257792, 5274515584, 10549031168, 21098062336]

約数ペア:

[(1, 21098062336), (2, 10549031168), (4, 5274515584), (8, 2637257792), (13, 1622927872), (16, 1318628896), (26, 811463936), (31, 680582656), (32, 659314448), (52, 405731968), (62, 340291328), (64, 329657224), (104, 202865984), (124, 170145664), (128, 164828612), (208, 101432992), (248, 85072832), (256, 82414306), (403, 52352512), (416, 50716496), (496, 42536416), (512, 41207153), (806, 26176256), (832, 25358248), (992, 21268208), (1612, 13088128), (1664, 12679124), (1984, 10634104), (3224, 6544064), (3328, 6339562), (3968, 5317052), (6448, 3272032), (6656, 3169781), (7936, 2658526), (12896, 1636016), (15872, 1329263), (25792, 818008), (51584, 409004), (102251, 206336), (103168, 204502)]