21794069752

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{490769}}^1$

素因数の和:490856

約数の個数: 64

約数和(自身を含む): 51118603200

約数和(自身を除く): 29324533448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 728, 793, 854, 1586, 1708, 3172, 3416, 5551, 6344, 11102, 22204, 44408, 490769, 981538, 1963076, 3435383, 3926152, 6379997, 6870766, 12759994, 13741532, 25519988, 27483064, 29936909, 44659979, 51039976, 59873818, 89319958, 119747636, 178639916, 209558363, 239495272, 357279832, 389179817, 419116726, 778359634, 838233452, 1556719268, 1676466904, 2724258719, 3113438536, 5448517438, 10897034876, 21794069752]

約数ペア:

[(1, 21794069752), (2, 10897034876), (4, 5448517438), (7, 3113438536), (8, 2724258719), (13, 1676466904), (14, 1556719268), (26, 838233452), (28, 778359634), (52, 419116726), (56, 389179817), (61, 357279832), (91, 239495272), (104, 209558363), (122, 178639916), (182, 119747636), (244, 89319958), (364, 59873818), (427, 51039976), (488, 44659979), (728, 29936909), (793, 27483064), (854, 25519988), (1586, 13741532), (1708, 12759994), (3172, 6870766), (3416, 6379997), (5551, 3926152), (6344, 3435383), (11102, 1963076), (22204, 981538), (44408, 490769)]