21000466388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 42356321280

約数和(自身を除く): 21355854892

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 139, 253, 278, 337, 443, 506, 556, 674, 886, 1012, 1348, 1529, 1772, 3058, 3197, 3707, 4873, 6116, 6394, 7414, 7751, 9746, 10189, 12788, 14828, 15502, 19492, 20378, 31004, 35167, 40756, 46843, 61577, 70334, 85261, 93686, 112079, 123154, 140668, 149291, 170522, 187372, 224158, 246308, 298582, 341044, 448316, 515273, 597164, 677347, 1030546, 1077389, 1354694, 1416271, 1642201, 2061092, 2154778, 2709388, 2832542, 3284402, 3433693, 4309556, 5665084, 6568804, 6867386, 11851279, 13734772, 15578981, 20751449, 23702558, 31157962, 37770623, 41502898, 47405116, 62315924, 75541246, 83005796, 151082492, 228265939, 456531878, 477283327, 913063756, 954566654, 1909133308, 5250116597, 10500233194, 21000466388]

約数ペア:

[(1, 21000466388), (2, 10500233194), (4, 5250116597), (11, 1909133308), (22, 954566654), (23, 913063756), (44, 477283327), (46, 456531878), (92, 228265939), (139, 151082492), (253, 83005796), (278, 75541246), (337, 62315924), (443, 47405116), (506, 41502898), (556, 37770623), (674, 31157962), (886, 23702558), (1012, 20751449), (1348, 15578981), (1529, 13734772), (1772, 11851279), (3058, 6867386), (3197, 6568804), (3707, 5665084), (4873, 4309556), (6116, 3433693), (6394, 3284402), (7414, 2832542), (7751, 2709388), (9746, 2154778), (10189, 2061092), (12788, 1642201), (14828, 1416271), (15502, 1354694), (19492, 1077389), (20378, 1030546), (31004, 677347), (35167, 597164), (40756, 515273), (46843, 448316), (61577, 341044), (70334, 298582), (85261, 246308), (93686, 224158), (112079, 187372), (123154, 170522), (140668, 149291)]