21644434

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 39571200

約数和(自身を除く): 17926766

約数列:

[1, 2, 7, 14, 17, 34, 119, 199, 238, 398, 457, 914, 1393, 2786, 3199, 3383, 6398, 6766, 7769, 15538, 23681, 47362, 54383, 90943, 108766, 181886, 636601, 1273202, 1546031, 3092062, 10822217, 21644434]

約数ペア:

[(1, 21644434), (2, 10822217), (7, 3092062), (14, 1546031), (17, 1273202), (34, 636601), (119, 181886), (199, 108766), (238, 90943), (398, 54383), (457, 47362), (914, 23681), (1393, 15538), (2786, 7769), (3199, 6766), (3383, 6398)]