211211784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7907}}^1$

素因数の和:7979

約数の個数: 96

約数和(自身を含む): 666169920

約数和(自身を除く): 454958136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 53, 56, 63, 72, 84, 106, 126, 159, 168, 212, 252, 318, 371, 424, 477, 504, 636, 742, 954, 1113, 1272, 1484, 1908, 2226, 2968, 3339, 3816, 4452, 6678, 7907, 8904, 13356, 15814, 23721, 26712, 31628, 47442, 55349, 63256, 71163, 94884, 110698, 142326, 166047, 189768, 221396, 284652, 332094, 419071, 442792, 498141, 569304, 664188, 838142, 996282, 1257213, 1328376, 1676284, 1992564, 2514426, 2933497, 3352568, 3771639, 3985128, 5028852, 5866994, 7543278, 8800491, 10057704, 11733988, 15086556, 17600982, 23467976, 26401473, 30173112, 35201964, 52802946, 70403928, 105605892, 211211784]

約数ペア:

[(1, 211211784), (2, 105605892), (3, 70403928), (4, 52802946), (6, 35201964), (7, 30173112), (8, 26401473), (9, 23467976), (12, 17600982), (14, 15086556), (18, 11733988), (21, 10057704), (24, 8800491), (28, 7543278), (36, 5866994), (42, 5028852), (53, 3985128), (56, 3771639), (63, 3352568), (72, 2933497), (84, 2514426), (106, 1992564), (126, 1676284), (159, 1328376), (168, 1257213), (212, 996282), (252, 838142), (318, 664188), (371, 569304), (424, 498141), (477, 442792), (504, 419071), (636, 332094), (742, 284652), (954, 221396), (1113, 189768), (1272, 166047), (1484, 142326), (1908, 110698), (2226, 94884), (2968, 71163), (3339, 63256), (3816, 55349), (4452, 47442), (6678, 31628), (7907, 26712), (8904, 23721), (13356, 15814)]