21316672

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25621}}^1$

素因数の和:25646

約数の個数: 28

約数和(自身を含む): 45555916

約数和(自身を除く): 24239244

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25621, 51242, 102484, 204968, 333073, 409936, 666146, 819872, 1332292, 1639744, 2664584, 5329168, 10658336, 21316672]

約数ペア:

[(1, 21316672), (2, 10658336), (4, 5329168), (8, 2664584), (13, 1639744), (16, 1332292), (26, 819872), (32, 666146), (52, 409936), (64, 333073), (104, 204968), (208, 102484), (416, 51242), (832, 25621)]