21226472

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9181}}^1$

素因数の和:9221

約数の個数: 24

約数和(自身を含む): 42283110

約数和(自身を除く): 21056638

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9181, 18362, 36724, 73448, 156077, 312154, 624308, 1248616, 2653309, 5306618, 10613236, 21226472]

約数ペア:

[(1, 21226472), (2, 10613236), (4, 5306618), (8, 2653309), (17, 1248616), (34, 624308), (68, 312154), (136, 156077), (289, 73448), (578, 36724), (1156, 18362), (2312, 9181)]