21494047536

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11481863}}^1$

素因数の和:11481890

約数の個数: 60

約数和(自身を含む): 64780676688

約数和(自身を除く): 43286629152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11481863, 22963726, 34445589, 45927452, 68891178, 91854904, 103336767, 137782356, 149264219, 183709808, 206673534, 275564712, 298528438, 413347068, 447792657, 551129424, 597056876, 826694136, 895585314, 1194113752, 1343377971, 1653388272, 1791170628, 2388227504, 2686755942, 3582341256, 5373511884, 7164682512, 10747023768, 21494047536]

約数ペア:

[(1, 21494047536), (2, 10747023768), (3, 7164682512), (4, 5373511884), (6, 3582341256), (8, 2686755942), (9, 2388227504), (12, 1791170628), (13, 1653388272), (16, 1343377971), (18, 1194113752), (24, 895585314), (26, 826694136), (36, 597056876), (39, 551129424), (48, 447792657), (52, 413347068), (72, 298528438), (78, 275564712), (104, 206673534), (117, 183709808), (144, 149264219), (156, 137782356), (208, 103336767), (234, 91854904), (312, 68891178), (468, 45927452), (624, 34445589), (936, 22963726), (1872, 11481863)]