21037223548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{673}}^1$

素因数の和:1115

約数の個数: 96

約数和(自身を含む): 42801696000

約数和(自身を除く): 21764472452

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 139, 209, 269, 278, 418, 538, 556, 673, 836, 1076, 1346, 1529, 2641, 2692, 2959, 3058, 5111, 5282, 5918, 6116, 7403, 10222, 10564, 11836, 12787, 14806, 20444, 25574, 29051, 29612, 37391, 51148, 56221, 58102, 74782, 93547, 112442, 116204, 140657, 149564, 181037, 187094, 224884, 281314, 362074, 374188, 411301, 562628, 710429, 724148, 822602, 1029017, 1420858, 1645204, 1777393, 1991407, 2058034, 2841716, 3439703, 3554786, 3982814, 4116068, 6879406, 7109572, 7814719, 7965628, 13758812, 15629438, 19551323, 25164143, 31258876, 37836733, 39102646, 50328286, 75673466, 78205292, 100656572, 151346932, 276805573, 478118717, 553611146, 956237434, 1107222292, 1912474868, 5259305887, 10518611774, 21037223548]

約数ペア:

[(1, 21037223548), (2, 10518611774), (4, 5259305887), (11, 1912474868), (19, 1107222292), (22, 956237434), (38, 553611146), (44, 478118717), (76, 276805573), (139, 151346932), (209, 100656572), (269, 78205292), (278, 75673466), (418, 50328286), (538, 39102646), (556, 37836733), (673, 31258876), (836, 25164143), (1076, 19551323), (1346, 15629438), (1529, 13758812), (2641, 7965628), (2692, 7814719), (2959, 7109572), (3058, 6879406), (5111, 4116068), (5282, 3982814), (5918, 3554786), (6116, 3439703), (7403, 2841716), (10222, 2058034), (10564, 1991407), (11836, 1777393), (12787, 1645204), (14806, 1420858), (20444, 1029017), (25574, 822602), (29051, 724148), (29612, 710429), (37391, 562628), (51148, 411301), (56221, 374188), (58102, 362074), (74782, 281314), (93547, 224884), (112442, 187094), (116204, 181037), (140657, 149564)]