21936486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 53012736

約数和(自身を除く): 31076250

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 691, 814, 858, 962, 1221, 1382, 1443, 2073, 2442, 2886, 4146, 5291, 7601, 8983, 10582, 15202, 15873, 17966, 22803, 25567, 26949, 31746, 45606, 51134, 53898, 76701, 98813, 153402, 197626, 281237, 296439, 332371, 562474, 592878, 664742, 843711, 997113, 1687422, 1994226, 3656081, 7312162, 10968243, 21936486]

約数ペア:

[(1, 21936486), (2, 10968243), (3, 7312162), (6, 3656081), (11, 1994226), (13, 1687422), (22, 997113), (26, 843711), (33, 664742), (37, 592878), (39, 562474), (66, 332371), (74, 296439), (78, 281237), (111, 197626), (143, 153402), (222, 98813), (286, 76701), (407, 53898), (429, 51134), (481, 45606), (691, 31746), (814, 26949), (858, 25567), (962, 22803), (1221, 17966), (1382, 15873), (1443, 15202), (2073, 10582), (2442, 8983), (2886, 7601), (4146, 5291)]