21987342

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31321}}^1$

素因数の和:31345

約数の個数: 32

約数和(自身を含む): 52620960

約数和(自身を除く): 30633618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 31321, 62642, 93963, 187926, 281889, 407173, 563778, 814346, 845667, 1221519, 1691334, 2443038, 3664557, 7329114, 10993671, 21987342]

約数ペア:

[(1, 21987342), (2, 10993671), (3, 7329114), (6, 3664557), (9, 2443038), (13, 1691334), (18, 1221519), (26, 845667), (27, 814346), (39, 563778), (54, 407173), (78, 281889), (117, 187926), (234, 93963), (351, 62642), (702, 31321)]