21854423656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{31873}}^1$

素因数の和:32258

約数の個数: 64

約数和(自身を含む): 46587038400

約数和(自身を除く): 24732614744

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 347, 494, 694, 988, 1388, 1976, 2776, 4511, 6593, 9022, 13186, 18044, 26372, 31873, 36088, 52744, 63746, 85709, 127492, 171418, 254984, 342836, 414349, 605587, 685672, 828698, 1211174, 1657396, 2422348, 3314792, 4844696, 7872631, 11059931, 15745262, 22119862, 31490524, 44239724, 62981048, 88479448, 143779103, 210138689, 287558206, 420277378, 575116412, 840554756, 1150232824, 1681109512, 2731802957, 5463605914, 10927211828, 21854423656]

約数ペア:

[(1, 21854423656), (2, 10927211828), (4, 5463605914), (8, 2731802957), (13, 1681109512), (19, 1150232824), (26, 840554756), (38, 575116412), (52, 420277378), (76, 287558206), (104, 210138689), (152, 143779103), (247, 88479448), (347, 62981048), (494, 44239724), (694, 31490524), (988, 22119862), (1388, 15745262), (1976, 11059931), (2776, 7872631), (4511, 4844696), (6593, 3314792), (9022, 2422348), (13186, 1657396), (18044, 1211174), (26372, 828698), (31873, 685672), (36088, 605587), (52744, 414349), (63746, 342836), (85709, 254984), (127492, 171418)]