21058357012

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2166

約数の個数: 144

約数和(自身を含む): 48138245568

約数和(自身を除く): 27079888556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 73, 77, 98, 134, 146, 154, 196, 268, 292, 308, 469, 511, 539, 737, 803, 938, 1022, 1078, 1474, 1606, 1876, 1997, 2044, 2156, 2948, 3212, 3283, 3577, 3994, 4891, 5159, 5621, 6566, 7154, 7988, 9782, 10318, 11242, 13132, 13979, 14308, 19564, 20636, 21967, 22484, 27958, 34237, 36113, 39347, 43934, 53801, 55916, 68474, 72226, 78694, 87868, 97853, 107602, 133799, 136948, 144452, 145781, 153769, 157388, 195706, 215204, 239659, 267598, 291562, 307538, 376607, 391412, 479318, 535196, 583124, 615076, 753214, 936593, 958636, 1020467, 1076383, 1471789, 1506428, 1603591, 1873186, 2040934, 2152766, 2636249, 2943578, 3207182, 3746372, 4081868, 4305532, 5272498, 5887156, 6414364, 6556151, 7143269, 9767327, 10302523, 10544996, 11225137, 13112302, 14286538, 19534654, 20605046, 22450274, 26224604, 28573076, 39069308, 41210092, 44900548, 68371289, 72117661, 78575959, 107440597, 136742578, 144235322, 157151918, 214881194, 273485156, 288470644, 314303836, 429762388, 478599023, 752084179, 957198046, 1504168358, 1914396092, 3008336716, 5264589253, 10529178506, 21058357012]

約数ペア:

[(1, 21058357012), (2, 10529178506), (4, 5264589253), (7, 3008336716), (11, 1914396092), (14, 1504168358), (22, 957198046), (28, 752084179), (44, 478599023), (49, 429762388), (67, 314303836), (73, 288470644), (77, 273485156), (98, 214881194), (134, 157151918), (146, 144235322), (154, 136742578), (196, 107440597), (268, 78575959), (292, 72117661), (308, 68371289), (469, 44900548), (511, 41210092), (539, 39069308), (737, 28573076), (803, 26224604), (938, 22450274), (1022, 20605046), (1078, 19534654), (1474, 14286538), (1606, 13112302), (1876, 11225137), (1997, 10544996), (2044, 10302523), (2156, 9767327), (2948, 7143269), (3212, 6556151), (3283, 6414364), (3577, 5887156), (3994, 5272498), (4891, 4305532), (5159, 4081868), (5621, 3746372), (6566, 3207182), (7154, 2943578), (7988, 2636249), (9782, 2152766), (10318, 2040934), (11242, 1873186), (13132, 1603591), (13979, 1506428), (14308, 1471789), (19564, 1076383), (20636, 1020467), (21967, 958636), (22484, 936593), (27958, 753214), (34237, 615076), (36113, 583124), (39347, 535196), (43934, 479318), (53801, 391412), (55916, 376607), (68474, 307538), (72226, 291562), (78694, 267598), (87868, 239659), (97853, 215204), (107602, 195706), (133799, 157388), (136948, 153769), (144452, 145781)]