21650642888

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:799

約数の個数: 128

約数和(自身を含む): 48161433600

約数和(自身を除く): 26510790712

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 97, 106, 157, 194, 212, 314, 371, 388, 424, 479, 628, 679, 742, 776, 958, 1099, 1256, 1358, 1484, 1916, 2198, 2716, 2968, 3353, 3832, 4396, 5141, 5432, 6706, 8321, 8792, 10282, 13412, 15229, 16642, 20564, 25387, 26824, 30458, 33284, 35987, 41128, 46463, 50774, 58247, 60916, 66568, 71974, 75203, 92926, 101548, 106603, 116494, 121832, 143948, 150406, 177709, 185852, 203096, 213206, 232988, 287896, 300812, 325241, 355418, 371704, 426412, 465976, 526421, 601624, 650482, 710836, 807137, 852824, 1052842, 1300964, 1421672, 1614274, 2105684, 2462539, 2601928, 3228548, 3985759, 4211368, 4925078, 5649959, 6457096, 7294691, 7971518, 9850156, 11299918, 14589382, 15943036, 17237773, 19700312, 22599836, 27900313, 29178764, 31886072, 34475546, 45199672, 51062837, 55800626, 58357528, 68951092, 102125674, 111601252, 137902184, 204251348, 223202504, 386618623, 408502696, 773237246, 1546474492, 2706330361, 3092948984, 5412660722, 10825321444, 21650642888]

約数ペア:

[(1, 21650642888), (2, 10825321444), (4, 5412660722), (7, 3092948984), (8, 2706330361), (14, 1546474492), (28, 773237246), (53, 408502696), (56, 386618623), (97, 223202504), (106, 204251348), (157, 137902184), (194, 111601252), (212, 102125674), (314, 68951092), (371, 58357528), (388, 55800626), (424, 51062837), (479, 45199672), (628, 34475546), (679, 31886072), (742, 29178764), (776, 27900313), (958, 22599836), (1099, 19700312), (1256, 17237773), (1358, 15943036), (1484, 14589382), (1916, 11299918), (2198, 9850156), (2716, 7971518), (2968, 7294691), (3353, 6457096), (3832, 5649959), (4396, 4925078), (5141, 4211368), (5432, 3985759), (6706, 3228548), (8321, 2601928), (8792, 2462539), (10282, 2105684), (13412, 1614274), (15229, 1421672), (16642, 1300964), (20564, 1052842), (25387, 852824), (26824, 807137), (30458, 710836), (33284, 650482), (35987, 601624), (41128, 526421), (46463, 465976), (50774, 426412), (58247, 371704), (60916, 355418), (66568, 325241), (71974, 300812), (75203, 287896), (92926, 232988), (101548, 213206), (106603, 203096), (116494, 185852), (121832, 177709), (143948, 150406)]