21465679378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1745461}}^1$

素因数の和:1745530

約数の個数: 32

約数和(自身を含む): 38707365312

約数和(自身を除く): 17241685934

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 6149, 12298, 1745461, 3490922, 19200071, 22690993, 38400142, 45381986, 75054823, 150109646, 249600923, 499201846, 825603053, 975712699, 1651206106, 1951425398, 10732839689, 21465679378]

約数ペア:

[(1, 21465679378), (2, 10732839689), (11, 1951425398), (13, 1651206106), (22, 975712699), (26, 825603053), (43, 499201846), (86, 249600923), (143, 150109646), (286, 75054823), (473, 45381986), (559, 38400142), (946, 22690993), (1118, 19200071), (6149, 3490922), (12298, 1745461)]