21310016

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3659}}^1$

素因数の和:3691

約数の個数: 56

約数和(自身を含む): 52059840

約数和(自身を除く): 30749824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3659, 5824, 7318, 14636, 25613, 29272, 47567, 51226, 58544, 95134, 102452, 117088, 190268, 204904, 234176, 332969, 380536, 409808, 665938, 761072, 819616, 1331876, 1522144, 1639232, 2663752, 3044288, 5327504, 10655008, 21310016]

約数ペア:

[(1, 21310016), (2, 10655008), (4, 5327504), (7, 3044288), (8, 2663752), (13, 1639232), (14, 1522144), (16, 1331876), (26, 819616), (28, 761072), (32, 665938), (52, 409808), (56, 380536), (64, 332969), (91, 234176), (104, 204904), (112, 190268), (182, 117088), (208, 102452), (224, 95134), (364, 58544), (416, 51226), (448, 47567), (728, 29272), (832, 25613), (1456, 14636), (2912, 7318), (3659, 5824)]