21593918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15177922

約数列:

[1, 2, 19, 23, 31, 38, 46, 62, 437, 589, 713, 797, 874, 1178, 1426, 1594, 13547, 15143, 18331, 24707, 27094, 30286, 36662, 49414, 348289, 469433, 568261, 696578, 938866, 1136522, 10796959, 21593918]

約数ペア:

[(1, 21593918), (2, 10796959), (19, 1136522), (23, 938866), (31, 696578), (38, 568261), (46, 469433), (62, 348289), (437, 49414), (589, 36662), (713, 30286), (797, 27094), (874, 24707), (1178, 18331), (1426, 15143), (1594, 13547)]