21209156612

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{18617}}^1$

素因数の和:18741

約数の個数: 96

約数和(自身を含む): 46542021120

約数和(自身を除く): 25332864508

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 61, 92, 116, 122, 161, 203, 244, 322, 406, 427, 644, 667, 812, 854, 1334, 1403, 1708, 1769, 2668, 2806, 3538, 4669, 5612, 7076, 9338, 9821, 12383, 18617, 18676, 19642, 24766, 37234, 39284, 40687, 49532, 74468, 81374, 130319, 162748, 260638, 284809, 428191, 521276, 539893, 569618, 856382, 1079786, 1135637, 1139236, 1712764, 2159572, 2271274, 2997337, 3779251, 4542548, 5994674, 7558502, 7949459, 11989348, 12417539, 15117004, 15898918, 24835078, 26119651, 31797836, 32933473, 49670156, 52239302, 65866946, 86922773, 104478604, 131733892, 173845546, 182837557, 230534311, 347691092, 365675114, 461068622, 731350228, 757469879, 922137244, 1514939758, 3029879516, 5302289153, 10604578306, 21209156612]

約数ペア:

[(1, 21209156612), (2, 10604578306), (4, 5302289153), (7, 3029879516), (14, 1514939758), (23, 922137244), (28, 757469879), (29, 731350228), (46, 461068622), (58, 365675114), (61, 347691092), (92, 230534311), (116, 182837557), (122, 173845546), (161, 131733892), (203, 104478604), (244, 86922773), (322, 65866946), (406, 52239302), (427, 49670156), (644, 32933473), (667, 31797836), (812, 26119651), (854, 24835078), (1334, 15898918), (1403, 15117004), (1708, 12417539), (1769, 11989348), (2668, 7949459), (2806, 7558502), (3538, 5994674), (4669, 4542548), (5612, 3779251), (7076, 2997337), (9338, 2271274), (9821, 2159572), (12383, 1712764), (18617, 1139236), (18676, 1135637), (19642, 1079786), (24766, 856382), (37234, 569618), (39284, 539893), (40687, 521276), (49532, 428191), (74468, 284809), (81374, 260638), (130319, 162748)]