21256554484

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 41702637312

約数和(自身を除く): 20446082828

約数列:

[1, 2, 4, 11, 22, 44, 121, 137, 151, 193, 242, 274, 302, 386, 484, 548, 604, 772, 1331, 1507, 1661, 2123, 2662, 3014, 3322, 4246, 5324, 6028, 6644, 8492, 16577, 18271, 20687, 23353, 26441, 29143, 33154, 36542, 41374, 46706, 52882, 58286, 66308, 73084, 82748, 93412, 105764, 116572, 182347, 200981, 227557, 256883, 290851, 320573, 364694, 401962, 455114, 513766, 581702, 641146, 729388, 803924, 910228, 1027532, 1163404, 1282292, 2503127, 3199361, 3526303, 3992591, 5006254, 6398722, 7052606, 7985182, 10012508, 12797444, 14105212, 15970364, 27534397, 35192971, 38789333, 43918501, 55068794, 70385942, 77578666, 87837002, 110137588, 140771884, 155157332, 175674004, 483103511, 966207022, 1932414044, 5314138621, 10628277242, 21256554484]

約数ペア:

[(1, 21256554484), (2, 10628277242), (4, 5314138621), (11, 1932414044), (22, 966207022), (44, 483103511), (121, 175674004), (137, 155157332), (151, 140771884), (193, 110137588), (242, 87837002), (274, 77578666), (302, 70385942), (386, 55068794), (484, 43918501), (548, 38789333), (604, 35192971), (772, 27534397), (1331, 15970364), (1507, 14105212), (1661, 12797444), (2123, 10012508), (2662, 7985182), (3014, 7052606), (3322, 6398722), (4246, 5006254), (5324, 3992591), (6028, 3526303), (6644, 3199361), (8492, 2503127), (16577, 1282292), (18271, 1163404), (20687, 1027532), (23353, 910228), (26441, 803924), (29143, 729388), (33154, 641146), (36542, 581702), (41374, 513766), (46706, 455114), (52882, 401962), (58286, 364694), (66308, 320573), (73084, 290851), (82748, 256883), (93412, 227557), (105764, 200981), (116572, 182347)]