21167005864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{287689}}^1$

素因数の和:288253

約数の個数: 32

約数和(自身を含む): 42100554600

約数和(自身を除く): 20933548736

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 541, 1082, 2164, 4328, 9197, 18394, 36788, 73576, 287689, 575378, 1150756, 2301512, 4890713, 9781426, 19562852, 39125704, 155639749, 311279498, 622558996, 1245117992, 2645875733, 5291751466, 10583502932, 21167005864]

約数ペア:

[(1, 21167005864), (2, 10583502932), (4, 5291751466), (8, 2645875733), (17, 1245117992), (34, 622558996), (68, 311279498), (136, 155639749), (541, 39125704), (1082, 19562852), (2164, 9781426), (4328, 4890713), (9197, 2301512), (18394, 1150756), (36788, 575378), (73576, 287689)]