21560364

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 68275200

約数和(自身を除く): 46714836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 79, 84, 108, 114, 126, 133, 158, 171, 189, 228, 237, 252, 266, 316, 342, 361, 378, 399, 474, 513, 532, 553, 684, 711, 722, 756, 798, 948, 1026, 1083, 1106, 1197, 1422, 1444, 1501, 1596, 1659, 2052, 2133, 2166, 2212, 2394, 2527, 2844, 3002, 3249, 3318, 3591, 4266, 4332, 4503, 4788, 4977, 5054, 6004, 6498, 6636, 7182, 7581, 8532, 9006, 9747, 9954, 10108, 10507, 12996, 13509, 14364, 14931, 15162, 18012, 19494, 19908, 21014, 22743, 27018, 28519, 29862, 30324, 31521, 38988, 40527, 42028, 45486, 54036, 57038, 59724, 63042, 68229, 81054, 85557, 90972, 94563, 114076, 126084, 136458, 162108, 171114, 189126, 199633, 256671, 272916, 283689, 342228, 378252, 399266, 513342, 567378, 598899, 770013, 798532, 1026684, 1134756, 1197798, 1540026, 1796697, 2395596, 3080052, 3593394, 5390091, 7186788, 10780182, 21560364]

約数ペア:

[(1, 21560364), (2, 10780182), (3, 7186788), (4, 5390091), (6, 3593394), (7, 3080052), (9, 2395596), (12, 1796697), (14, 1540026), (18, 1197798), (19, 1134756), (21, 1026684), (27, 798532), (28, 770013), (36, 598899), (38, 567378), (42, 513342), (54, 399266), (57, 378252), (63, 342228), (76, 283689), (79, 272916), (84, 256671), (108, 199633), (114, 189126), (126, 171114), (133, 162108), (158, 136458), (171, 126084), (189, 114076), (228, 94563), (237, 90972), (252, 85557), (266, 81054), (316, 68229), (342, 63042), (361, 59724), (378, 57038), (399, 54036), (474, 45486), (513, 42028), (532, 40527), (553, 38988), (684, 31521), (711, 30324), (722, 29862), (756, 28519), (798, 27018), (948, 22743), (1026, 21014), (1083, 19908), (1106, 19494), (1197, 18012), (1422, 15162), (1444, 14931), (1501, 14364), (1596, 13509), (1659, 12996), (2052, 10507), (2133, 10108), (2166, 9954), (2212, 9747), (2394, 9006), (2527, 8532), (2844, 7581), (3002, 7182), (3249, 6636), (3318, 6498), (3591, 6004), (4266, 5054), (4332, 4977), (4503, 4788)]