21000471492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1748291}}^1$

素因数の和:1748329

約数の個数: 96

約数和(自身を含む): 65791724544

約数和(自身を除く): 44791253052

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 2002, 3003, 4004, 6006, 12012, 1748291, 3496582, 5244873, 6993164, 10489746, 12238037, 19231201, 20979492, 22727783, 24476074, 36714111, 38462402, 45455566, 48952148, 57693603, 68183349, 73428222, 76924804, 90911132, 115387206, 134618407, 136366698, 146856444, 159094481, 230774412, 250005613, 269236814, 272733396, 318188962, 403855221, 477283443, 500011226, 538473628, 636377924, 750016839, 807710442, 954566886, 1000022452, 1500033678, 1615420884, 1750039291, 1909133772, 3000067356, 3500078582, 5250117873, 7000157164, 10500235746, 21000471492]

約数ペア:

[(1, 21000471492), (2, 10500235746), (3, 7000157164), (4, 5250117873), (6, 3500078582), (7, 3000067356), (11, 1909133772), (12, 1750039291), (13, 1615420884), (14, 1500033678), (21, 1000022452), (22, 954566886), (26, 807710442), (28, 750016839), (33, 636377924), (39, 538473628), (42, 500011226), (44, 477283443), (52, 403855221), (66, 318188962), (77, 272733396), (78, 269236814), (84, 250005613), (91, 230774412), (132, 159094481), (143, 146856444), (154, 136366698), (156, 134618407), (182, 115387206), (231, 90911132), (273, 76924804), (286, 73428222), (308, 68183349), (364, 57693603), (429, 48952148), (462, 45455566), (546, 38462402), (572, 36714111), (858, 24476074), (924, 22727783), (1001, 20979492), (1092, 19231201), (1716, 12238037), (2002, 10489746), (3003, 6993164), (4004, 5244873), (6006, 3496582), (12012, 1748291)]