21902896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 45148400

約数和(自身を除く): 23245504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 661, 872, 1322, 1744, 2071, 2644, 4142, 5288, 8284, 10576, 12559, 16568, 25118, 33136, 50236, 72049, 100472, 144098, 200944, 288196, 576392, 1152784, 1368931, 2737862, 5475724, 10951448, 21902896]

約数ペア:

[(1, 21902896), (2, 10951448), (4, 5475724), (8, 2737862), (16, 1368931), (19, 1152784), (38, 576392), (76, 288196), (109, 200944), (152, 144098), (218, 100472), (304, 72049), (436, 50236), (661, 33136), (872, 25118), (1322, 16568), (1744, 12559), (2071, 10576), (2644, 8284), (4142, 5288)]