21663516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11213}}^1$

素因数の和:11250

約数の個数: 48

約数和(自身を含む): 60286464

約数和(自身を除く): 38622948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 11213, 22426, 33639, 44852, 67278, 78491, 134556, 156982, 235473, 257899, 313964, 470946, 515798, 773697, 941892, 1031596, 1547394, 1805293, 3094788, 3610586, 5415879, 7221172, 10831758, 21663516]

約数ペア:

[(1, 21663516), (2, 10831758), (3, 7221172), (4, 5415879), (6, 3610586), (7, 3094788), (12, 1805293), (14, 1547394), (21, 1031596), (23, 941892), (28, 773697), (42, 515798), (46, 470946), (69, 313964), (84, 257899), (92, 235473), (138, 156982), (161, 134556), (276, 78491), (322, 67278), (483, 44852), (644, 33639), (966, 22426), (1932, 11213)]