21266712

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:942

約数の個数: 80

約数和(自身を含む): 61245360

約数和(自身を除く): 39978648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 296, 324, 333, 444, 648, 666, 887, 888, 999, 1332, 1774, 1998, 2661, 2664, 2997, 3548, 3996, 5322, 5994, 7096, 7983, 7992, 10644, 11988, 15966, 21288, 23949, 23976, 31932, 32819, 47898, 63864, 65638, 71847, 95796, 98457, 131276, 143694, 191592, 196914, 262552, 287388, 295371, 393828, 574776, 590742, 787656, 886113, 1181484, 1772226, 2362968, 2658339, 3544452, 5316678, 7088904, 10633356, 21266712]

約数ペア:

[(1, 21266712), (2, 10633356), (3, 7088904), (4, 5316678), (6, 3544452), (8, 2658339), (9, 2362968), (12, 1772226), (18, 1181484), (24, 886113), (27, 787656), (36, 590742), (37, 574776), (54, 393828), (72, 295371), (74, 287388), (81, 262552), (108, 196914), (111, 191592), (148, 143694), (162, 131276), (216, 98457), (222, 95796), (296, 71847), (324, 65638), (333, 63864), (444, 47898), (648, 32819), (666, 31932), (887, 23976), (888, 23949), (999, 21288), (1332, 15966), (1774, 11988), (1998, 10644), (2661, 7992), (2664, 7983), (2997, 7096), (3548, 5994), (3996, 5322)]