21895027204

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{15971}}^1$

素因数の和:16228

約数の個数: 48

約数和(自身を含む): 40276272960

約数和(自身を除く): 18381245756

約数列:

[1, 2, 4, 37, 59, 74, 118, 148, 157, 236, 314, 628, 2183, 4366, 5809, 8732, 9263, 11618, 15971, 18526, 23236, 31942, 37052, 63884, 342731, 590927, 685462, 942289, 1181854, 1370924, 1884578, 2363708, 2507447, 3769156, 5014894, 10029788, 34864693, 69729386, 92775539, 139458772, 147939373, 185551078, 295878746, 371102156, 591757492, 5473756801, 10947513602, 21895027204]

約数ペア:

[(1, 21895027204), (2, 10947513602), (4, 5473756801), (37, 591757492), (59, 371102156), (74, 295878746), (118, 185551078), (148, 147939373), (157, 139458772), (236, 92775539), (314, 69729386), (628, 34864693), (2183, 10029788), (4366, 5014894), (5809, 3769156), (8732, 2507447), (9263, 2363708), (11618, 1884578), (15971, 1370924), (18526, 1181854), (23236, 942289), (31942, 685462), (37052, 590927), (63884, 342731)]