21033516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1039}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 56376320

約数和(自身を除く): 35342804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 241, 482, 723, 964, 1039, 1446, 1687, 2078, 2892, 3117, 3374, 4156, 5061, 6234, 6748, 7273, 10122, 12468, 14546, 20244, 21819, 29092, 43638, 87276, 250399, 500798, 751197, 1001596, 1502394, 1752793, 3004788, 3505586, 5258379, 7011172, 10516758, 21033516]

約数ペア:

[(1, 21033516), (2, 10516758), (3, 7011172), (4, 5258379), (6, 3505586), (7, 3004788), (12, 1752793), (14, 1502394), (21, 1001596), (28, 751197), (42, 500798), (84, 250399), (241, 87276), (482, 43638), (723, 29092), (964, 21819), (1039, 20244), (1446, 14546), (1687, 12468), (2078, 10122), (2892, 7273), (3117, 6748), (3374, 6234), (4156, 5061)]