21000929502

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{655337}}^1$

素因数の和:655465

約数の個数: 48

約数和(自身を含む): 49307631120

約数和(自身を除く): 28306701618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 109, 147, 218, 294, 327, 654, 763, 1526, 2289, 4578, 5341, 10682, 16023, 32046, 655337, 1310674, 1966011, 3932022, 4587359, 9174718, 13762077, 27524154, 32111513, 64223026, 71431733, 96334539, 142863466, 192669078, 214295199, 428590398, 500022131, 1000044262, 1500066393, 3000132786, 3500154917, 7000309834, 10500464751, 21000929502]

約数ペア:

[(1, 21000929502), (2, 10500464751), (3, 7000309834), (6, 3500154917), (7, 3000132786), (14, 1500066393), (21, 1000044262), (42, 500022131), (49, 428590398), (98, 214295199), (109, 192669078), (147, 142863466), (218, 96334539), (294, 71431733), (327, 64223026), (654, 32111513), (763, 27524154), (1526, 13762077), (2289, 9174718), (4578, 4587359), (5341, 3932022), (10682, 1966011), (16023, 1310674), (32046, 655337)]