21004158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26321}}^1$

素因数の和:26352

約数の個数: 32

約数和(自身を含む): 50538240

約数和(自身を除く): 29534082

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26321, 52642, 78963, 157926, 184247, 368494, 500099, 552741, 1000198, 1105482, 1500297, 3000594, 3500693, 7001386, 10502079, 21004158]

約数ペア:

[(1, 21004158), (2, 10502079), (3, 7001386), (6, 3500693), (7, 3000594), (14, 1500297), (19, 1105482), (21, 1000198), (38, 552741), (42, 500099), (57, 368494), (114, 184247), (133, 157926), (266, 78963), (399, 52642), (798, 26321)]